diff --git a/README.md b/README.md
index baf460408..3ca11f1a3 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ points = alt.Chart(source).mark_point().encode(
     x='Horsepower',
     y='Miles_per_Gallon',
     color=alt.condition(brush, 'Origin', alt.value('lightgray'))
-).add_selection(
+).add_params(
     brush
 )
 
@@ -211,23 +211,8 @@ visualization.
 
 ## Development install
 
-Vega-Altair requires the following dependencies:
-
-* [pandas](https://pandas.pydata.org/)
-* [traitlets](https://github.com/ipython/traitlets)
-* [IPython](https://github.com/ipython/ipython)
-
-If you have cloned the repository, run the following command from the root of the repository:
-
-```
-pip install -e .[dev]
-```
-
-If you do not wish to clone the repository, you can install using:
-
-```
-pip install git+https://github.com/altair-viz/altair
-```
+Instructions on how to install Vega-Altair for development can be found in
+[the documentation](https://altair-viz.github.io/getting_started/installation.html).
 
 ## Testing
 
diff --git a/altair/examples/us_population_over_time.py b/altair/examples/us_population_over_time.py
index 52e5290a0..db7403663 100644
--- a/altair/examples/us_population_over_time.py
+++ b/altair/examples/us_population_over_time.py
@@ -15,7 +15,7 @@
     name="Year",
     fields=["year"],
     bind=alt.binding_range(min=1900, max=2000, step=10, name="Year"),
-    init={"year": 2000},
+    value={"year": 2000},
 )
 
 alt.Chart(source).mark_bar().encode(
diff --git a/altair/sphinxext/altairgallery.py b/altair/sphinxext/altairgallery.py
index eae1a3247..06e2e1b32 100644
--- a/altair/sphinxext/altairgallery.py
+++ b/altair/sphinxext/altairgallery.py
@@ -97,6 +97,7 @@
 
 EXAMPLE_TEMPLATE = jinja2.Template(
     """
+:orphan:
 :html_theme.sidebar_secondary.remove:
 
 .. This document is auto-generated by the altair-gallery extension. Do not modify directly.
diff --git a/altair/sphinxext/schematable.py b/altair/sphinxext/schematable.py
index 5892604c2..decedaae7 100644
--- a/altair/sphinxext/schematable.py
+++ b/altair/sphinxext/schematable.py
@@ -1,13 +1,18 @@
 import importlib
 import re
+import sys
 import warnings
+from os.path import abspath, dirname
 
-from docutils import nodes, utils
+from docutils import nodes, utils, frontend
 from docutils.parsers.rst import Directive
 from docutils.parsers.rst.directives import flag
-from recommonmark.parser import CommonMarkParser
+from myst_parser.docutils_ import Parser
 from sphinx import addnodes
 
+sys.path.insert(0, abspath(dirname(dirname(dirname(__file__)))))
+from tools.schemapi.utils import fix_docstring_issues  # noqa: E402
+
 
 def type_description(schema):
     """Return a concise type description for the given schema"""
@@ -121,11 +126,14 @@ def build_row(item):
     row += nodes.entry("", par_type, classes=["vl-type-def"])
 
     # Description
-    md_parser = CommonMarkParser()
+    md_parser = Parser()
     # str_descr = "***Required.*** " if required else ""
     str_descr = ""
     str_descr += propschema.get("description", " ")
-    doc_descr = utils.new_document("schema_description")
+    str_descr = fix_docstring_issues(str_descr)
+    document_settings = frontend.get_default_settings()
+    document_settings.setdefault("raw_enabled", True)
+    doc_descr = utils.new_document("schema_description", document_settings)
     md_parser.parse(str_descr, doc_descr)
 
     # row += nodes.entry('', *doc_descr.children, classes="vl-decsr")
diff --git a/altair/vega/v5/schema/core.py b/altair/vega/v5/schema/core.py
index 5ab5104f2..29714f972 100644
--- a/altair/vega/v5/schema/core.py
+++ b/altair/vega/v5/schema/core.py
@@ -107,8 +107,7 @@ class axis(VegaSchema):
 
     labelAngle : oneOf(float, :class:`numberValue`)
 
-    labelBaseline : oneOf(enum('top', 'middle', 'bottom', 'alphabetic', 'line-top',
-    'line-bottom'), :class:`baselineValue`)
+    labelBaseline : oneOf(enum('top', 'middle', 'bottom', 'alphabetic', 'line-top', 'line-bottom'), :class:`baselineValue`)
 
     labelBound : oneOf(boolean, float, :class:`signalRef`)
 
@@ -124,9 +123,7 @@ class axis(VegaSchema):
 
     labelFontStyle : oneOf(string, :class:`stringValue`)
 
-    labelFontWeight : oneOf(enum(None, 'normal', 'bold', 'lighter', 'bolder', '100', '200',
-    '300', '400', '500', '600', '700', '800', '900', 100, 200, 300, 400, 500, 600, 700, 800,
-    900), :class:`fontWeightValue`)
+    labelFontWeight : oneOf(enum(None, 'normal', 'bold', 'lighter', 'bolder', '100', '200', '300', '400', '500', '600', '700', '800', '900', 100, 200, 300, 400, 500, 600, 700, 800, 900), :class:`fontWeightValue`)
 
     labelLimit : oneOf(float, :class:`numberValue`)
 
@@ -188,8 +185,7 @@ class axis(VegaSchema):
 
     titleAngle : oneOf(float, :class:`numberValue`)
 
-    titleBaseline : oneOf(enum('top', 'middle', 'bottom', 'alphabetic', 'line-top',
-    'line-bottom'), :class:`baselineValue`)
+    titleBaseline : oneOf(enum('top', 'middle', 'bottom', 'alphabetic', 'line-top', 'line-bottom'), :class:`baselineValue`)
 
     titleColor : oneOf(None, string, :class:`colorValue`)
 
@@ -199,9 +195,7 @@ class axis(VegaSchema):
 
     titleFontStyle : oneOf(string, :class:`stringValue`)
 
-    titleFontWeight : oneOf(enum(None, 'normal', 'bold', 'lighter', 'bolder', '100', '200',
-    '300', '400', '500', '600', '700', '800', '900', 100, 200, 300, 400, 500, 600, 700, 800,
-    900), :class:`fontWeightValue`)
+    titleFontWeight : oneOf(enum(None, 'normal', 'bold', 'lighter', 'bolder', '100', '200', '300', '400', '500', '600', '700', '800', '900', 100, 200, 300, 400, 500, 600, 700, 800, 900), :class:`fontWeightValue`)
 
     titleLimit : oneOf(float, :class:`numberValue`)
 
@@ -1268,8 +1262,7 @@ class facet(VegaSchema):
     Attributes
     ----------
 
-    facet : oneOf(Mapping(required=[name, data, field]), Mapping(required=[name, data,
-    groupby]))
+    facet : oneOf(Mapping(required=[name, data, field]), Mapping(required=[name, data, groupby]))
 
     data : string
 
@@ -1465,11 +1458,9 @@ class projection(VegaSchema):
 
     clipAngle : :class:`numberOrSignal`
 
-    clipExtent : oneOf(List(oneOf(List(:class:`numberOrSignal`), :class:`signalRef`)),
-    :class:`signalRef`)
+    clipExtent : oneOf(List(oneOf(List(:class:`numberOrSignal`), :class:`signalRef`)), :class:`signalRef`)
 
-    extent : oneOf(List(oneOf(List(:class:`numberOrSignal`), :class:`signalRef`)),
-    :class:`signalRef`)
+    extent : oneOf(List(oneOf(List(:class:`numberOrSignal`), :class:`signalRef`)), :class:`signalRef`)
 
     fit : oneOf(Mapping(required=[]), List(Any))
 
@@ -1803,8 +1794,7 @@ class crossfilterTransform(VegaSchema):
     Attributes
     ----------
 
-    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     query : oneOf(List(Any), :class:`signalRef`)
 
@@ -1926,8 +1916,7 @@ class stackTransform(VegaSchema):
 
     field : oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     offset : anyOf(enum('zero', 'center', 'normalize'), :class:`signalRef`)
 
@@ -1962,9 +1951,7 @@ class forceTransform(VegaSchema):
 
     alphaTarget : anyOf(float, :class:`signalRef`)
 
-    forces : List(oneOf(Mapping(required=[force]), Mapping(required=[force]),
-    Mapping(required=[force]), Mapping(required=[force]), Mapping(required=[force]),
-    Mapping(required=[force])))
+    forces : List(oneOf(Mapping(required=[force]), Mapping(required=[force]), Mapping(required=[force]), Mapping(required=[force]), Mapping(required=[force]), Mapping(required=[force])))
 
     iterations : anyOf(float, :class:`signalRef`)
 
@@ -2047,8 +2034,7 @@ class geojsonTransform(VegaSchema):
 
     type : enum('geojson')
 
-    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     geojson : oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)
 
@@ -2099,8 +2085,7 @@ class geopointTransform(VegaSchema):
     Attributes
     ----------
 
-    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     projection : string
 
@@ -2242,8 +2227,7 @@ class isocontourTransform(VegaSchema):
 
     thresholds : oneOf(List(anyOf(float, :class:`signalRef`)), :class:`signalRef`)
 
-    translate : oneOf(List(anyOf(float, :class:`signalRef`, :class:`expr`,
-    :class:`paramField`)), :class:`signalRef`)
+    translate : oneOf(List(anyOf(float, :class:`signalRef`, :class:`expr`, :class:`paramField`)), :class:`signalRef`)
 
     zero : anyOf(boolean, :class:`signalRef`)
 
@@ -2283,8 +2267,7 @@ class kde2dTransform(VegaSchema):
 
     counts : anyOf(boolean, :class:`signalRef`)
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     signal : string
 
@@ -2315,8 +2298,7 @@ class nestTransform(VegaSchema):
 
     generate : anyOf(boolean, :class:`signalRef`)
 
-    keys : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    keys : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     signal : string
 
@@ -2485,8 +2467,7 @@ class treemapTransform(VegaSchema):
 
     field : oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)
 
-    method : anyOf(enum('squarify', 'resquarify', 'binary', 'dice', 'slice', 'slicedice'),
-    :class:`signalRef`)
+    method : anyOf(enum('squarify', 'resquarify', 'binary', 'dice', 'slice', 'slicedice'), :class:`signalRef`)
 
     padding : anyOf(float, :class:`signalRef`)
 
@@ -2592,8 +2573,7 @@ class loessTransform(VegaSchema):
 
     bandwidth : anyOf(float, :class:`signalRef`)
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     signal : string
 
@@ -2624,8 +2604,7 @@ class regressionTransform(VegaSchema):
 
     extent : oneOf(List(anyOf(float, :class:`signalRef`)), :class:`signalRef`)
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     method : anyOf(string, :class:`signalRef`)
 
@@ -2661,18 +2640,13 @@ class aggregateTransform(VegaSchema):
 
     drop : anyOf(boolean, :class:`signalRef`)
 
-    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`, None)),
-    :class:`signalRef`)
+    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`, None)), :class:`signalRef`)
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     key : oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)
 
-    ops : oneOf(List(anyOf(enum('values', 'count', '__count__', 'missing', 'valid', 'sum',
-    'product', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'stderr',
-    'distinct', 'ci0', 'ci1', 'median', 'q1', 'q3', 'min', 'max', 'argmin', 'argmax'),
-    :class:`signalRef`)), :class:`signalRef`)
+    ops : oneOf(List(anyOf(enum('values', 'count', '__count__', 'missing', 'valid', 'sum', 'product', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'stderr', 'distinct', 'ci0', 'ci1', 'median', 'q1', 'q3', 'min', 'max', 'argmin', 'argmax'), :class:`signalRef`)), :class:`signalRef`)
 
     signal : string
 
@@ -2826,9 +2800,7 @@ class densityTransform(VegaSchema):
 
     type : enum('density')
 
-    distribution : oneOf(Mapping(required=[function]), Mapping(required=[function]),
-    Mapping(required=[function]), Mapping(required=[function, field]),
-    Mapping(required=[function]))
+    distribution : oneOf(Mapping(required=[function]), Mapping(required=[function]), Mapping(required=[function]), Mapping(required=[function, field]), Mapping(required=[function]))
 
     extent : oneOf(List(anyOf(float, :class:`signalRef`)), :class:`signalRef`)
 
@@ -2866,8 +2838,7 @@ class dotbinTransform(VegaSchema):
 
     type : enum('dotbin')
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     signal : string
 
@@ -2936,8 +2907,7 @@ class flattenTransform(VegaSchema):
     Attributes
     ----------
 
-    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     type : enum('flatten')
 
@@ -2963,8 +2933,7 @@ class foldTransform(VegaSchema):
     Attributes
     ----------
 
-    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     type : enum('fold')
 
@@ -3019,8 +2988,7 @@ class imputeTransform(VegaSchema):
 
     type : enum('impute')
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     keyvals : oneOf(List(Any), :class:`signalRef`)
 
@@ -3050,18 +3018,13 @@ class joinaggregateTransform(VegaSchema):
 
     type : enum('joinaggregate')
 
-    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`, None)),
-    :class:`signalRef`)
+    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`, None)), :class:`signalRef`)
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     key : oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)
 
-    ops : oneOf(List(anyOf(enum('values', 'count', '__count__', 'missing', 'valid', 'sum',
-    'product', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'stderr',
-    'distinct', 'ci0', 'ci1', 'median', 'q1', 'q3', 'min', 'max', 'argmin', 'argmax'),
-    :class:`signalRef`)), :class:`signalRef`)
+    ops : oneOf(List(anyOf(enum('values', 'count', '__count__', 'missing', 'valid', 'sum', 'product', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'stderr', 'distinct', 'ci0', 'ci1', 'median', 'q1', 'q3', 'min', 'max', 'argmin', 'argmax'), :class:`signalRef`)), :class:`signalRef`)
 
     signal : string
 
@@ -3096,8 +3059,7 @@ class kdeTransform(VegaSchema):
 
     extent : oneOf(List(anyOf(float, :class:`signalRef`)), :class:`signalRef`)
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     maxsteps : anyOf(float, :class:`signalRef`)
 
@@ -3131,8 +3093,7 @@ class lookupTransform(VegaSchema):
     Attributes
     ----------
 
-    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     key : oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)
 
@@ -3142,8 +3103,7 @@ class lookupTransform(VegaSchema):
 
     signal : string
 
-    values : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    values : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     as : oneOf(List(anyOf(string, :class:`signalRef`)), :class:`signalRef`)
 
@@ -3172,16 +3132,13 @@ class pivotTransform(VegaSchema):
 
     value : oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     key : oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)
 
     limit : anyOf(float, :class:`signalRef`)
 
-    op : anyOf(enum('values', 'count', '__count__', 'missing', 'valid', 'sum', 'product',
-    'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'stderr', 'distinct', 'ci0',
-    'ci1', 'median', 'q1', 'q3', 'min', 'max', 'argmin', 'argmax'), :class:`signalRef`)
+    op : anyOf(enum('values', 'count', '__count__', 'missing', 'valid', 'sum', 'product', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'stderr', 'distinct', 'ci0', 'ci1', 'median', 'q1', 'q3', 'min', 'max', 'argmin', 'argmax'), :class:`signalRef`)
 
     signal : string
 
@@ -3204,8 +3161,7 @@ class projectTransform(VegaSchema):
 
     type : enum('project')
 
-    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     signal : string
 
@@ -3230,8 +3186,7 @@ class quantileTransform(VegaSchema):
 
     type : enum('quantile')
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     probs : oneOf(List(anyOf(float, :class:`signalRef`)), :class:`signalRef`)
 
@@ -3324,9 +3279,7 @@ class timeunitTransform(VegaSchema):
 
     timezone : anyOf(enum('local', 'utc'), :class:`signalRef`)
 
-    units : oneOf(List(anyOf(enum('year', 'quarter', 'month', 'week', 'date', 'day',
-    'dayofyear', 'hours', 'minutes', 'seconds', 'milliseconds'), :class:`signalRef`)),
-    :class:`signalRef`)
+    units : oneOf(List(anyOf(enum('year', 'quarter', 'month', 'week', 'date', 'day', 'dayofyear', 'hours', 'minutes', 'seconds', 'milliseconds'), :class:`signalRef`)), :class:`signalRef`)
 
     as : oneOf(List(anyOf(string, :class:`signalRef`)), :class:`signalRef`)
 
@@ -3351,22 +3304,15 @@ class windowTransform(VegaSchema):
 
     type : enum('window')
 
-    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`, None)),
-    :class:`signalRef`)
+    fields : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`, None)), :class:`signalRef`)
 
     frame : oneOf(List(anyOf(float, :class:`signalRef`, None)), :class:`signalRef`)
 
-    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)),
-    :class:`signalRef`)
+    groupby : oneOf(List(oneOf(:class:`scaleField`, :class:`paramField`, :class:`expr`)), :class:`signalRef`)
 
     ignorePeers : anyOf(boolean, :class:`signalRef`)
 
-    ops : oneOf(List(anyOf(enum('row_number', 'rank', 'dense_rank', 'percent_rank', 'cume_dist',
-    'ntile', 'lag', 'lead', 'first_value', 'last_value', 'nth_value', 'prev_value',
-    'next_value', 'values', 'count', '__count__', 'missing', 'valid', 'sum', 'product', 'mean',
-    'average', 'variance', 'variancep', 'stdev', 'stdevp', 'stderr', 'distinct', 'ci0', 'ci1',
-    'median', 'q1', 'q3', 'min', 'max', 'argmin', 'argmax'), :class:`signalRef`)),
-    :class:`signalRef`)
+    ops : oneOf(List(anyOf(enum('row_number', 'rank', 'dense_rank', 'percent_rank', 'cume_dist', 'ntile', 'lag', 'lead', 'first_value', 'last_value', 'nth_value', 'prev_value', 'next_value', 'values', 'count', '__count__', 'missing', 'valid', 'sum', 'product', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'stderr', 'distinct', 'ci0', 'ci1', 'median', 'q1', 'q3', 'min', 'max', 'argmin', 'argmax'), :class:`signalRef`)), :class:`signalRef`)
 
     params : oneOf(List(anyOf(float, :class:`signalRef`, None)), :class:`signalRef`)
 
diff --git a/altair/vegalite/v3/api.py b/altair/vegalite/v3/api.py
index 6473d41e6..7f681edd1 100644
--- a/altair/vegalite/v3/api.py
+++ b/altair/vegalite/v3/api.py
@@ -1641,7 +1641,7 @@ class Chart(
         Sets how the visualization size should be determined. If a string, should be one of
         `"pad"`, `"fit"` or `"none"`. Object values can additionally specify parameters for
         content sizing and automatic resizing. `"fit"` is only supported for single and
-        layered views that don't use `rangeStep`.  __Default value__: `pad`
+        layered views that don't use `rangeStep`.  Default value: `pad`
     background : string
         CSS color property to use as the background of visualization.
 
diff --git a/altair/vegalite/v3/schema/channels.py b/altair/vegalite/v3/schema/channels.py
index 26432fa41..a5e101e4e 100644
--- a/altair/vegalite/v3/schema/channels.py
+++ b/altair/vegalite/v3/schema/channels.py
@@ -131,8 +131,7 @@ class Color(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -200,8 +199,9 @@ class Color(FieldChannelMixin, core.StringFieldDefWithCondition):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -299,8 +299,7 @@ class ColorValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None)
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -389,8 +388,9 @@ class Column(FieldChannelMixin, core.FacetFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -684,8 +684,9 @@ class Facet(FieldChannelMixin, core.FacetFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -810,8 +811,7 @@ class Fill(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -879,8 +879,9 @@ class Fill(FieldChannelMixin, core.StringFieldDefWithCondition):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -978,8 +979,7 @@ class FillValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None)
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -1032,8 +1032,7 @@ class FillOpacity(FieldChannelMixin, core.NumericFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -1101,8 +1100,9 @@ class FillOpacity(FieldChannelMixin, core.NumericFieldDefWithCondition):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -1200,8 +1200,7 @@ class FillOpacityValue(ValueChannelMixin, core.NumericValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : float
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -1394,8 +1393,7 @@ class HrefValue(ValueChannelMixin, core.TextValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalTextFieldDef`, :class:`ConditionalValueDef`,
-    List(:class:`ConditionalValueDef`))
+    condition : anyOf(:class:`ConditionalTextFieldDef`, :class:`ConditionalValueDef`, List(:class:`ConditionalValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : :class:`Value`
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -2121,8 +2119,7 @@ class Opacity(FieldChannelMixin, core.NumericFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -2190,8 +2187,9 @@ class Opacity(FieldChannelMixin, core.NumericFieldDefWithCondition):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -2289,8 +2287,7 @@ class OpacityValue(ValueChannelMixin, core.NumericValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : float
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -2533,8 +2530,9 @@ class Row(FieldChannelMixin, core.FacetFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -2659,8 +2657,7 @@ class Shape(FieldChannelMixin, core.ShapeFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -2728,8 +2725,9 @@ class Shape(FieldChannelMixin, core.ShapeFieldDefWithCondition):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -2827,8 +2825,7 @@ class ShapeValue(ValueChannelMixin, core.ShapeValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDefTypeForShape`,
-    :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDefTypeForShape`, :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None)
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -2881,8 +2878,7 @@ class Size(FieldChannelMixin, core.NumericFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -2950,8 +2946,9 @@ class Size(FieldChannelMixin, core.NumericFieldDefWithCondition):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -3049,8 +3046,7 @@ class SizeValue(ValueChannelMixin, core.NumericValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : float
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -3103,8 +3099,7 @@ class Stroke(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -3172,8 +3167,9 @@ class Stroke(FieldChannelMixin, core.StringFieldDefWithCondition):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -3271,8 +3267,7 @@ class StrokeValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None)
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -3325,8 +3320,7 @@ class StrokeOpacity(FieldChannelMixin, core.NumericFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -3394,8 +3388,9 @@ class StrokeOpacity(FieldChannelMixin, core.NumericFieldDefWithCondition):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -3494,8 +3489,7 @@ class StrokeOpacityValue(ValueChannelMixin, core.NumericValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : float
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -3548,8 +3542,7 @@ class StrokeWidth(FieldChannelMixin, core.NumericFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -3617,8 +3610,9 @@ class StrokeWidth(FieldChannelMixin, core.NumericFieldDefWithCondition):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -3716,8 +3710,7 @@ class StrokeWidthValue(ValueChannelMixin, core.NumericValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : float
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -3910,8 +3903,7 @@ class TextValue(ValueChannelMixin, core.TextValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalTextFieldDef`, :class:`ConditionalValueDef`,
-    List(:class:`ConditionalValueDef`))
+    condition : anyOf(:class:`ConditionalTextFieldDef`, :class:`ConditionalValueDef`, List(:class:`ConditionalValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : :class:`Value`
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -4104,8 +4096,7 @@ class TooltipValue(ValueChannelMixin, core.TextValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalTextFieldDef`, :class:`ConditionalValueDef`,
-    List(:class:`ConditionalValueDef`))
+    condition : anyOf(:class:`ConditionalTextFieldDef`, :class:`ConditionalValueDef`, List(:class:`ConditionalValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : :class:`Value`
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -4227,8 +4218,9 @@ class X(FieldChannelMixin, core.PositionFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -4255,8 +4247,8 @@ class X(FieldChannelMixin, core.PositionFieldDef):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -4830,8 +4822,9 @@ class Y(FieldChannelMixin, core.PositionFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -4858,8 +4851,8 @@ class Y(FieldChannelMixin, core.PositionFieldDef):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
diff --git a/altair/vegalite/v3/schema/core.py b/altair/vegalite/v3/schema/core.py
index 7c101a7cc..cd2fab010 100644
--- a/altair/vegalite/v3/schema/core.py
+++ b/altair/vegalite/v3/schema/core.py
@@ -2014,8 +2014,9 @@ class ConditionalPredicateMarkPropFieldDef(ConditionalMarkPropFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -2205,8 +2206,9 @@ class ConditionalPredicateMarkPropFieldDefTypeForShape(ConditionalMarkPropFieldD
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -2419,8 +2421,9 @@ class ConditionalSelectionMarkPropFieldDef(ConditionalMarkPropFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -2612,8 +2615,9 @@ class ConditionalSelectionMarkPropFieldDefTypeForShape(ConditionalMarkPropFieldD
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -3571,8 +3575,7 @@ class Encoding(VegaLiteSchema):
         *Note:* When using ``fill`` channel, ``color`` channel will be ignored. To customize
         both fill and stroke, please use ``fill`` and ``stroke`` channels (not ``fill`` and
         ``color`` ).
-    fillOpacity : anyOf(:class:`NumericFieldDefWithCondition`,
-    :class:`NumericValueDefWithCondition`)
+    fillOpacity : anyOf(:class:`NumericFieldDefWithCondition`, :class:`NumericValueDefWithCondition`)
         Fill opacity of the marks.
 
         **Default value:** If undefined, the default opacity depends on `mark config
@@ -3595,8 +3598,7 @@ class Encoding(VegaLiteSchema):
     longitude2 : anyOf(:class:`SecondaryFieldDef`, :class:`NumberValueDef`)
         Longitude-2 position for geographically projected ranged ``"area"``, ``"bar"``,
         ``"rect"``, and  ``"rule"``.
-    opacity : anyOf(:class:`NumericFieldDefWithCondition`,
-    :class:`NumericValueDefWithCondition`)
+    opacity : anyOf(:class:`NumericFieldDefWithCondition`, :class:`NumericValueDefWithCondition`)
         Opacity of the marks.
 
         **Default value:** If undefined, the default opacity depends on `mark config
@@ -3625,14 +3627,14 @@ class Encoding(VegaLiteSchema):
 
 
         * plotting shapes: ``"circle"``, ``"square"``, ``"cross"``, ``"diamond"``,
-        ``"triangle-up"``, ``"triangle-down"``, ``"triangle-right"``, or
-        ``"triangle-left"``.
+          ``"triangle-up"``, ``"triangle-down"``, ``"triangle-right"``, or
+          ``"triangle-left"``.
         * the line symbol ``"stroke"``
         * centered directional shapes ``"arrow"``, ``"wedge"``, or ``"triangle"``
         * a custom `SVG path string
-        <https://developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths>`__ (For correct
-        sizing, custom shape paths should be defined within a square bounding box with
-        coordinates ranging from -1 to 1 along both the x and y dimensions.)
+          <https://developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths>`__ (For correct
+          sizing, custom shape paths should be defined within a square bounding box with
+          coordinates ranging from -1 to 1 along both the x and y dimensions.)
 
         #.
         For ``geoshape`` marks it should be a field definition of the geojson data
@@ -3658,15 +3660,13 @@ class Encoding(VegaLiteSchema):
         *Note:* When using ``stroke`` channel, ``color`` channel will be ignored. To
         customize both stroke and fill, please use ``stroke`` and ``fill`` channels (not
         ``stroke`` and ``color`` ).
-    strokeOpacity : anyOf(:class:`NumericFieldDefWithCondition`,
-    :class:`NumericValueDefWithCondition`)
+    strokeOpacity : anyOf(:class:`NumericFieldDefWithCondition`, :class:`NumericValueDefWithCondition`)
         Stroke opacity of the marks.
 
         **Default value:** If undefined, the default opacity depends on `mark config
         <https://vega.github.io/vega-lite/docs/config.html#mark>`__ 's ``strokeOpacity``
         property.
-    strokeWidth : anyOf(:class:`NumericFieldDefWithCondition`,
-    :class:`NumericValueDefWithCondition`)
+    strokeWidth : anyOf(:class:`NumericFieldDefWithCondition`, :class:`NumericValueDefWithCondition`)
         Stroke width of the marks.
 
         **Default value:** If undefined, the default stroke width depends on `mark config
@@ -3674,8 +3674,7 @@ class Encoding(VegaLiteSchema):
         property.
     text : anyOf(:class:`TextFieldDefWithCondition`, :class:`TextValueDefWithCondition`)
         Text of the ``text`` mark.
-    tooltip : anyOf(:class:`TextFieldDefWithCondition`, :class:`TextValueDefWithCondition`,
-    List(:class:`TextFieldDef`), None)
+    tooltip : anyOf(:class:`TextFieldDefWithCondition`, :class:`TextValueDefWithCondition`, List(:class:`TextFieldDef`), None)
         The tooltip text to show upon mouse hover.
     x : anyOf(:class:`PositionFieldDef`, :class:`XValueDef`)
         X coordinates of the marks, or width of horizontal ``"bar"`` and ``"area"`` without
@@ -4106,8 +4105,9 @@ class FacetFieldDef(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -4214,8 +4214,7 @@ class FacetedEncoding(VegaLiteSchema):
         *Note:* When using ``fill`` channel, ``color`` channel will be ignored. To customize
         both fill and stroke, please use ``fill`` and ``stroke`` channels (not ``fill`` and
         ``color`` ).
-    fillOpacity : anyOf(:class:`NumericFieldDefWithCondition`,
-    :class:`NumericValueDefWithCondition`)
+    fillOpacity : anyOf(:class:`NumericFieldDefWithCondition`, :class:`NumericValueDefWithCondition`)
         Fill opacity of the marks.
 
         **Default value:** If undefined, the default opacity depends on `mark config
@@ -4238,8 +4237,7 @@ class FacetedEncoding(VegaLiteSchema):
     longitude2 : anyOf(:class:`SecondaryFieldDef`, :class:`NumberValueDef`)
         Longitude-2 position for geographically projected ranged ``"area"``, ``"bar"``,
         ``"rect"``, and  ``"rule"``.
-    opacity : anyOf(:class:`NumericFieldDefWithCondition`,
-    :class:`NumericValueDefWithCondition`)
+    opacity : anyOf(:class:`NumericFieldDefWithCondition`, :class:`NumericValueDefWithCondition`)
         Opacity of the marks.
 
         **Default value:** If undefined, the default opacity depends on `mark config
@@ -4270,14 +4268,14 @@ class FacetedEncoding(VegaLiteSchema):
 
 
         * plotting shapes: ``"circle"``, ``"square"``, ``"cross"``, ``"diamond"``,
-        ``"triangle-up"``, ``"triangle-down"``, ``"triangle-right"``, or
-        ``"triangle-left"``.
+          ``"triangle-up"``, ``"triangle-down"``, ``"triangle-right"``, or
+          ``"triangle-left"``.
         * the line symbol ``"stroke"``
         * centered directional shapes ``"arrow"``, ``"wedge"``, or ``"triangle"``
         * a custom `SVG path string
-        <https://developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths>`__ (For correct
-        sizing, custom shape paths should be defined within a square bounding box with
-        coordinates ranging from -1 to 1 along both the x and y dimensions.)
+          <https://developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths>`__ (For correct
+          sizing, custom shape paths should be defined within a square bounding box with
+          coordinates ranging from -1 to 1 along both the x and y dimensions.)
 
         #.
         For ``geoshape`` marks it should be a field definition of the geojson data
@@ -4303,15 +4301,13 @@ class FacetedEncoding(VegaLiteSchema):
         *Note:* When using ``stroke`` channel, ``color`` channel will be ignored. To
         customize both stroke and fill, please use ``stroke`` and ``fill`` channels (not
         ``stroke`` and ``color`` ).
-    strokeOpacity : anyOf(:class:`NumericFieldDefWithCondition`,
-    :class:`NumericValueDefWithCondition`)
+    strokeOpacity : anyOf(:class:`NumericFieldDefWithCondition`, :class:`NumericValueDefWithCondition`)
         Stroke opacity of the marks.
 
         **Default value:** If undefined, the default opacity depends on `mark config
         <https://vega.github.io/vega-lite/docs/config.html#mark>`__ 's ``strokeOpacity``
         property.
-    strokeWidth : anyOf(:class:`NumericFieldDefWithCondition`,
-    :class:`NumericValueDefWithCondition`)
+    strokeWidth : anyOf(:class:`NumericFieldDefWithCondition`, :class:`NumericValueDefWithCondition`)
         Stroke width of the marks.
 
         **Default value:** If undefined, the default stroke width depends on `mark config
@@ -4319,8 +4315,7 @@ class FacetedEncoding(VegaLiteSchema):
         property.
     text : anyOf(:class:`TextFieldDefWithCondition`, :class:`TextValueDefWithCondition`)
         Text of the ``text`` mark.
-    tooltip : anyOf(:class:`TextFieldDefWithCondition`, :class:`TextValueDefWithCondition`,
-    List(:class:`TextFieldDef`), None)
+    tooltip : anyOf(:class:`TextFieldDefWithCondition`, :class:`TextValueDefWithCondition`, List(:class:`TextFieldDef`), None)
         The tooltip text to show upon mouse hover.
     x : anyOf(:class:`PositionFieldDef`, :class:`XValueDef`)
         X coordinates of the marks, or width of horizontal ``"bar"`` and ``"area"`` without
@@ -4460,8 +4455,7 @@ class FieldDefWithConditionMarkPropFieldDefTypeForShapestringnull(VegaLiteSchema
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -4529,8 +4523,9 @@ class FieldDefWithConditionMarkPropFieldDefTypeForShapestringnull(VegaLiteSchema
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -4663,8 +4658,7 @@ class FieldDefWithConditionMarkPropFieldDefnumber(VegaLiteSchema):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -4732,8 +4726,9 @@ class FieldDefWithConditionMarkPropFieldDefnumber(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -4862,8 +4857,7 @@ class FieldDefWithConditionMarkPropFieldDefstringnull(VegaLiteSchema):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -4931,8 +4925,9 @@ class FieldDefWithConditionMarkPropFieldDefstringnull(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -8175,8 +8170,7 @@ class NumericFieldDefWithCondition(VegaLiteSchema):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -8244,8 +8238,9 @@ class NumericFieldDefWithCondition(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -8307,8 +8302,7 @@ class NumericValueDefWithCondition(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : float
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -8999,8 +8993,9 @@ class PositionFieldDef(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -9027,8 +9022,8 @@ class PositionFieldDef(VegaLiteSchema):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -9928,8 +9923,7 @@ class Scale(VegaLiteSchema):
         ``symlog`` scales.
 
         **Default value:** ``1``
-    domain : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`),
-    enum('unaggregated'), :class:`SelectionDomain`)
+    domain : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`), enum('unaggregated'), :class:`SelectionDomain`)
         Customized domain values.
 
         For *quantitative* fields, ``domain`` can take the form of a two-element array with
@@ -11087,8 +11081,7 @@ class ShapeFieldDefWithCondition(VegaLiteSchema):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -11156,8 +11149,9 @@ class ShapeFieldDefWithCondition(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -11219,8 +11213,7 @@ class ShapeValueDefWithCondition(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDefTypeForShape`,
-    :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDefTypeForShape`, :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None)
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -12323,8 +12316,7 @@ class StringFieldDefWithCondition(VegaLiteSchema):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -12392,8 +12384,9 @@ class StringFieldDefWithCondition(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -12519,8 +12512,7 @@ class StringFieldDefWithConditionTypeForShape(VegaLiteSchema):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -12588,8 +12580,9 @@ class StringFieldDefWithConditionTypeForShape(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order.  For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -12653,8 +12646,7 @@ class StringValueDefWithCondition(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None)
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -12676,8 +12668,7 @@ class StringValueDefWithConditionTypeForShape(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDefTypeForShape`,
-    :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDefTypeForShape`, :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None)
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -13350,8 +13341,7 @@ class TextValueDefWithCondition(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalTextFieldDef`, :class:`ConditionalValueDef`,
-    List(:class:`ConditionalValueDef`))
+    condition : anyOf(:class:`ConditionalTextFieldDef`, :class:`ConditionalValueDef`, List(:class:`ConditionalValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : :class:`Value`
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -15662,8 +15652,7 @@ class ValueDefWithConditionMarkPropFieldDefTypeForShapestringnull(VegaLiteSchema
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDefTypeForShape`,
-    :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDefTypeForShape`, :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None)
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -15687,8 +15676,7 @@ class ValueDefWithConditionMarkPropFieldDefnumber(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`,
-    List(:class:`ConditionalNumberValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalNumberValueDef`, List(:class:`ConditionalNumberValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : float
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -15711,8 +15699,7 @@ class ValueDefWithConditionMarkPropFieldDefstringnull(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalStringValueDef`,
-    List(:class:`ConditionalStringValueDef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldDef`, :class:`ConditionalStringValueDef`, List(:class:`ConditionalStringValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None)
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
@@ -15735,8 +15722,7 @@ class ValueDefWithConditionTextFieldDefValue(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalTextFieldDef`, :class:`ConditionalValueDef`,
-    List(:class:`ConditionalValueDef`))
+    condition : anyOf(:class:`ConditionalTextFieldDef`, :class:`ConditionalValueDef`, List(:class:`ConditionalValueDef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : :class:`Value`
         A constant value in visual domain (e.g., ``"red"`` / "#0099ff" for color, values
diff --git a/altair/vegalite/v4/api.py b/altair/vegalite/v4/api.py
index 84162e114..ad2f26d6e 100644
--- a/altair/vegalite/v4/api.py
+++ b/altair/vegalite/v4/api.py
@@ -1924,7 +1924,7 @@ class Chart(
         Sets how the visualization size should be determined. If a string, should be one of
         `"pad"`, `"fit"` or `"none"`. Object values can additionally specify parameters for
         content sizing and automatic resizing. `"fit"` is only supported for single and
-        layered views that don't use `rangeStep`.  __Default value__: `pad`
+        layered views that don't use `rangeStep`.  Default value: `pad`
     background : string
         CSS color property to use as the background of visualization.
 
diff --git a/altair/vegalite/v4/schema/channels.py b/altair/vegalite/v4/schema/channels.py
index 1a6dda19d..28c29f70d 100644
--- a/altair/vegalite/v4/schema/channels.py
+++ b/altair/vegalite/v4/schema/channels.py
@@ -143,8 +143,7 @@ class Angle(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -209,8 +208,9 @@ class Angle(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -340,16 +340,14 @@ class AngleDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefnum
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -423,8 +421,7 @@ class AngleValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDat
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -490,8 +487,7 @@ class Color(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -556,8 +552,9 @@ class Color(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -687,16 +684,14 @@ class ColorDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefGra
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -770,9 +765,7 @@ class ColorValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDat
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(:class:`Gradient`, string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -885,8 +878,9 @@ class Column(FieldChannelMixin, core.RowColumnEncodingFieldDef):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -1049,8 +1043,7 @@ class Description(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -1216,9 +1209,7 @@ class DescriptionValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -1526,8 +1517,9 @@ class Facet(FieldChannelMixin, core.FacetEncodingFieldDef):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -1694,8 +1686,7 @@ class Fill(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDefG
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -1760,8 +1751,9 @@ class Fill(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDefG
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -1891,16 +1883,14 @@ class FillDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefGrad
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -1974,9 +1964,7 @@ class FillValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDatu
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(:class:`Gradient`, string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -2042,8 +2030,7 @@ class FillOpacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFi
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -2108,8 +2095,9 @@ class FillOpacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFi
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -2239,16 +2227,14 @@ class FillOpacityDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatum
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -2323,8 +2309,7 @@ class FillOpacityValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFiel
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -2390,8 +2375,7 @@ class Href(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -2557,9 +2541,7 @@ class HrefValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -2915,8 +2897,7 @@ class LatitudeDatum(DatumChannelMixin, core.DatumDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -3129,8 +3110,7 @@ class Latitude2Datum(DatumChannelMixin, core.DatumDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -3398,8 +3378,7 @@ class LongitudeDatum(DatumChannelMixin, core.DatumDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -3612,8 +3591,7 @@ class Longitude2Datum(DatumChannelMixin, core.DatumDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -3753,8 +3731,7 @@ class Opacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldD
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -3819,8 +3796,9 @@ class Opacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldD
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -3950,16 +3928,14 @@ class OpacityDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefn
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -4034,8 +4010,7 @@ class OpacityValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrD
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -4226,8 +4201,7 @@ class OrderValue(ValueChannelMixin, core.OrderValueDef):
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
         definition <https://vega.github.io/vega-lite/docs/types.html#gradient>`__ for color,
         values between ``0`` to ``1`` for opacity).
-    condition : anyOf(:class:`ConditionalValueDefnumber`,
-    List(:class:`ConditionalValueDefnumber`))
+    condition : anyOf(:class:`ConditionalValueDefnumber`, List(:class:`ConditionalValueDefnumber`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -4341,8 +4315,9 @@ class Radius(FieldChannelMixin, core.PositionFieldDefBase):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -4495,8 +4470,7 @@ class RadiusDatum(DatumChannelMixin, core.PositionDatumDefBase):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     scale : anyOf(:class:`Scale`, None)
         An object defining properties of the channel's scale, which is the function that
@@ -4748,8 +4722,7 @@ class Radius2Datum(DatumChannelMixin, core.DatumDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -4936,8 +4909,9 @@ class Row(FieldChannelMixin, core.RowColumnEncodingFieldDef):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -5100,8 +5074,7 @@ class Shape(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -5166,8 +5139,9 @@ class Shape(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -5297,16 +5271,14 @@ class ShapeDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefstr
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -5380,9 +5352,7 @@ class ShapeValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDat
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDefTypeForShape`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDefTypeForShape`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -5448,8 +5418,7 @@ class Size(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDefn
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -5514,8 +5483,9 @@ class Size(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDefn
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -5645,16 +5615,14 @@ class SizeDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefnumb
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -5728,8 +5696,7 @@ class SizeValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDatu
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -5795,8 +5762,7 @@ class Stroke(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDe
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -5861,8 +5827,9 @@ class Stroke(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDe
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -5992,16 +5959,14 @@ class StrokeDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefGr
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -6075,9 +6040,7 @@ class StrokeValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDa
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(:class:`Gradient`, string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -6143,8 +6106,7 @@ class StrokeDash(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFie
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -6209,8 +6171,9 @@ class StrokeDash(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFie
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -6340,16 +6303,14 @@ class StrokeDashDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumD
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -6424,9 +6385,7 @@ class StrokeDashValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropField
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(List(float), :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -6492,8 +6451,7 @@ class StrokeOpacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkProp
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -6558,8 +6516,9 @@ class StrokeOpacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkProp
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -6690,16 +6649,14 @@ class StrokeOpacityDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDat
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -6774,8 +6731,7 @@ class StrokeOpacityValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFi
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -6841,8 +6797,7 @@ class StrokeWidth(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFi
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -6907,8 +6862,9 @@ class StrokeWidth(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFi
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -7038,16 +6994,14 @@ class StrokeWidthDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatum
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -7122,8 +7076,7 @@ class StrokeWidthValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFiel
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -7189,8 +7142,7 @@ class Text(FieldChannelMixin, core.FieldOrDatumDefWithConditionStringFieldDefTex
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefTextExprRef`,
-    List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -7369,16 +7321,14 @@ class TextDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionStringDatumD
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefTextExprRef`,
-    List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     format : anyOf(string, :class:`Dictunknown`)
         When used with the default ``"number"`` and ``"time"`` format type, the text
@@ -7491,8 +7441,7 @@ class TextValue(ValueChannelMixin, core.ValueDefWithConditionStringFieldDefText)
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalStringFieldDef`,
-    :class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalStringFieldDef`, :class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(:class:`Text`, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -7605,8 +7554,9 @@ class Theta(FieldChannelMixin, core.PositionFieldDefBase):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -7759,8 +7709,7 @@ class ThetaDatum(DatumChannelMixin, core.PositionDatumDefBase):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     scale : anyOf(:class:`Scale`, None)
         An object defining properties of the channel's scale, which is the function that
@@ -8012,8 +7961,7 @@ class Theta2Datum(DatumChannelMixin, core.DatumDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -8153,8 +8101,7 @@ class Tooltip(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -8320,9 +8267,7 @@ class TooltipValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -8388,8 +8333,7 @@ class Url(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -8555,9 +8499,7 @@ class UrlValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -8687,8 +8629,9 @@ class X(FieldChannelMixin, core.PositionFieldDef):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -8850,8 +8793,7 @@ class XDatum(DatumChannelMixin, core.PositionDatumDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     impute : anyOf(:class:`ImputeParams`, None)
         An object defining the properties of the Impute Operation to be applied. The field
@@ -9112,8 +9054,7 @@ class X2Datum(DatumChannelMixin, core.DatumDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -9573,8 +9514,9 @@ class Y(FieldChannelMixin, core.PositionFieldDef):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -9736,8 +9678,7 @@ class YDatum(DatumChannelMixin, core.PositionDatumDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     impute : anyOf(:class:`ImputeParams`, None)
         An object defining the properties of the Impute Operation to be applied. The field
@@ -9998,8 +9939,7 @@ class Y2Datum(DatumChannelMixin, core.DatumDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
diff --git a/altair/vegalite/v4/schema/core.py b/altair/vegalite/v4/schema/core.py
index acb88bed8..a19a99bdf 100644
--- a/altair/vegalite/v4/schema/core.py
+++ b/altair/vegalite/v4/schema/core.py
@@ -583,8 +583,7 @@ class Axis(VegaLiteSchema):
         binned; otherwise, ``false``.
     gridCap : anyOf(:class:`StrokeCap`, :class:`ExprRef`)
 
-    gridColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    gridColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     gridDash : anyOf(List(float), :class:`ExprRef`, :class:`ConditionalAxisNumberArray`)
 
@@ -598,13 +597,11 @@ class Axis(VegaLiteSchema):
 
     labelAngle : anyOf(float, :class:`ExprRef`)
 
-    labelBaseline : anyOf(:class:`TextBaseline`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelBaseline`)
+    labelBaseline : anyOf(:class:`TextBaseline`, :class:`ExprRef`, :class:`ConditionalAxisLabelBaseline`)
 
     labelBound : anyOf(anyOf(float, boolean), :class:`ExprRef`)
 
-    labelColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    labelColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     labelExpr : string
         `Vega expression <https://vega.github.io/vega/docs/expressions/>`__ for customizing
@@ -629,11 +626,9 @@ class Axis(VegaLiteSchema):
 
     labelFontSize : anyOf(float, :class:`ExprRef`, :class:`ConditionalAxisNumber`)
 
-    labelFontStyle : anyOf(:class:`FontStyle`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelFontStyle`)
+    labelFontStyle : anyOf(:class:`FontStyle`, :class:`ExprRef`, :class:`ConditionalAxisLabelFontStyle`)
 
-    labelFontWeight : anyOf(:class:`FontWeight`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelFontWeight`)
+    labelFontWeight : anyOf(:class:`FontWeight`, :class:`ExprRef`, :class:`ConditionalAxisLabelFontWeight`)
 
     labelLimit : anyOf(float, :class:`ExprRef`)
 
@@ -695,8 +690,7 @@ class Axis(VegaLiteSchema):
 
     tickCap : anyOf(:class:`StrokeCap`, :class:`ExprRef`)
 
-    tickColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    tickColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     tickCount : anyOf(float, :class:`TimeInterval`, :class:`TimeIntervalStep`, :class:`ExprRef`)
         A desired number of ticks, for axes visualizing quantitative scales. The resulting
@@ -787,8 +781,7 @@ class Axis(VegaLiteSchema):
 
     translate : anyOf(float, :class:`ExprRef`)
 
-    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`),
-    :class:`ExprRef`)
+    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`), :class:`ExprRef`)
         Explicitly set the visible axis tick values.
     zindex : float
         A non-negative integer indicating the z-index of the axis. If zindex is 0, axes
@@ -925,8 +918,7 @@ class AxisConfig(VegaLiteSchema):
         binned; otherwise, ``false``.
     gridCap : anyOf(:class:`StrokeCap`, :class:`ExprRef`)
 
-    gridColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    gridColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     gridDash : anyOf(List(float), :class:`ExprRef`, :class:`ConditionalAxisNumberArray`)
 
@@ -940,13 +932,11 @@ class AxisConfig(VegaLiteSchema):
 
     labelAngle : anyOf(float, :class:`ExprRef`)
 
-    labelBaseline : anyOf(:class:`TextBaseline`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelBaseline`)
+    labelBaseline : anyOf(:class:`TextBaseline`, :class:`ExprRef`, :class:`ConditionalAxisLabelBaseline`)
 
     labelBound : anyOf(anyOf(float, boolean), :class:`ExprRef`)
 
-    labelColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    labelColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     labelExpr : string
         `Vega expression <https://vega.github.io/vega/docs/expressions/>`__ for customizing
@@ -971,11 +961,9 @@ class AxisConfig(VegaLiteSchema):
 
     labelFontSize : anyOf(float, :class:`ExprRef`, :class:`ConditionalAxisNumber`)
 
-    labelFontStyle : anyOf(:class:`FontStyle`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelFontStyle`)
+    labelFontStyle : anyOf(:class:`FontStyle`, :class:`ExprRef`, :class:`ConditionalAxisLabelFontStyle`)
 
-    labelFontWeight : anyOf(:class:`FontWeight`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelFontWeight`)
+    labelFontWeight : anyOf(:class:`FontWeight`, :class:`ExprRef`, :class:`ConditionalAxisLabelFontWeight`)
 
     labelLimit : anyOf(float, :class:`ExprRef`)
 
@@ -1037,8 +1025,7 @@ class AxisConfig(VegaLiteSchema):
 
     tickCap : anyOf(:class:`StrokeCap`, :class:`ExprRef`)
 
-    tickColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    tickColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     tickCount : anyOf(float, :class:`TimeInterval`, :class:`TimeIntervalStep`, :class:`ExprRef`)
         A desired number of ticks, for axes visualizing quantitative scales. The resulting
@@ -1129,8 +1116,7 @@ class AxisConfig(VegaLiteSchema):
 
     translate : anyOf(float, :class:`ExprRef`)
 
-    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`),
-    :class:`ExprRef`)
+    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`), :class:`ExprRef`)
         Explicitly set the visible axis tick values.
     zindex : float
         A non-negative integer indicating the z-index of the axis. If zindex is 0, axes
@@ -3820,8 +3806,7 @@ class Encoding(VegaLiteSchema):
         encoding if conflicting encodings are specified. 2) See the scale documentation for
         more information about customizing `color scheme
         <https://vega.github.io/vega-lite/docs/scale.html#scheme>`__.
-    description : anyOf(:class:`StringFieldDefWithCondition`,
-    :class:`StringValueDefWithCondition`)
+    description : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`)
         A text description of this mark for ARIA accessibility (SVG output only). For SVG
         output the ``"aria-label"`` attribute will be set to this description.
     detail : anyOf(:class:`FieldDefWithoutScale`, List(:class:`FieldDefWithoutScale`))
@@ -3938,8 +3923,7 @@ class Encoding(VegaLiteSchema):
     theta2 : :class:`Position2Def`
         The end angle of arc marks in radians. A value of 0 indicates up or “north”,
         increasing values proceed clockwise.
-    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`,
-    List(:class:`StringFieldDef`), None)
+    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`, List(:class:`StringFieldDef`), None)
         The tooltip text to show upon mouse hover. Specifying ``tooltip`` encoding overrides
         `the tooltip property in the mark definition
         <https://vega.github.io/vega-lite/docs/mark.html#mark-def>`__.
@@ -4460,8 +4444,9 @@ class FacetEncodingFieldDef(VegaLiteSchema):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -4655,8 +4640,9 @@ class FacetFieldDef(VegaLiteSchema):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -4825,8 +4811,7 @@ class FacetFieldDefFieldName(VegaLiteSchema):
         if ``aggregate`` is ``count``.
     header : :class:`Header`
         An object defining properties of a facet's header.
-    sort : anyOf(:class:`SortArray`, :class:`SortOrder`, :class:`EncodingSortFieldFieldName`,
-    None)
+    sort : anyOf(:class:`SortArray`, :class:`SortOrder`, :class:`EncodingSortFieldFieldName`, None)
         Sort order for the encoded field.
 
         For continuous fields (quantitative or temporal), ``sort`` can be either
@@ -4840,8 +4825,9 @@ class FacetFieldDefFieldName(VegaLiteSchema):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -5011,8 +4997,7 @@ class FacetedEncoding(VegaLiteSchema):
         <https://vega.github.io/vega-lite/docs/scale.html#scheme>`__.
     column : :class:`RowColumnEncodingFieldDef`
         A field definition for the horizontal facet of trellis plots.
-    description : anyOf(:class:`StringFieldDefWithCondition`,
-    :class:`StringValueDefWithCondition`)
+    description : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`)
         A text description of this mark for ARIA accessibility (SVG output only). For SVG
         output the ``"aria-label"`` attribute will be set to this description.
     detail : anyOf(:class:`FieldDefWithoutScale`, List(:class:`FieldDefWithoutScale`))
@@ -5135,8 +5120,7 @@ class FacetedEncoding(VegaLiteSchema):
     theta2 : :class:`Position2Def`
         The end angle of arc marks in radians. A value of 0 indicates up or “north”,
         increasing values proceed clockwise.
-    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`,
-    List(:class:`StringFieldDef`), None)
+    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`, List(:class:`StringFieldDef`), None)
         The tooltip text to show upon mouse hover. Specifying ``tooltip`` encoding overrides
         `the tooltip property in the mark definition
         <https://vega.github.io/vega-lite/docs/mark.html#mark-def>`__.
@@ -5434,8 +5418,7 @@ class FieldOrDatumDefWithConditionStringFieldDefstring(VegaLiteSchema):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -6858,8 +6841,7 @@ class Legend(VegaLiteSchema):
 
         **Default value:** ``"gradient"`` for non-binned quantitative fields and temporal
         fields; ``"symbol"`` otherwise.
-    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`),
-    :class:`ExprRef`)
+    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`), :class:`ExprRef`)
         Explicitly set the visible legend values.
     zindex : float
         A non-negative integer indicating the z-index of the legend. If zindex is 0, legend
@@ -8162,8 +8144,7 @@ class MarkConfigExprOrSignalRef(VegaLiteSchema):
         Default relative band position for a time unit. If set to ``0``, the marks will be
         positioned at the beginning of the time unit band step. If set to ``0.5``, the marks
         will be positioned in the middle of the time unit band step.
-    tooltip : anyOf(float, string, boolean, :class:`TooltipContent`, :class:`ExprOrSignalRef`,
-    None)
+    tooltip : anyOf(float, string, boolean, :class:`TooltipContent`, :class:`ExprOrSignalRef`, None)
         The tooltip text string to show upon mouse hover or an object defining which fields
         should the tooltip be derived from.
 
@@ -8685,16 +8666,14 @@ class FieldOrDatumDefWithConditionDatumDefGradientstringnull(ColorDef, MarkPropD
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -8813,8 +8792,7 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefGradientstringnull(ColorDef, M
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -8879,8 +8857,9 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefGradientstringnull(ColorDef, M
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -9544,16 +9523,14 @@ class FieldOrDatumDefWithConditionDatumDefnumberArray(MarkPropDefnumberArray, Nu
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -9672,8 +9649,7 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefnumberArray(MarkPropDefnumberA
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -9738,8 +9714,9 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefnumberArray(MarkPropDefnumberA
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -9889,16 +9866,14 @@ class FieldOrDatumDefWithConditionDatumDefnumber(MarkPropDefnumber, NumericMarkP
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -10015,8 +9990,7 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefnumber(MarkPropDefnumber, Nume
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -10081,8 +10055,9 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefnumber(MarkPropDefnumber, Nume
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -10389,8 +10364,7 @@ class OrderValueDef(VegaLiteSchema):
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
         definition <https://vega.github.io/vega-lite/docs/types.html#gradient>`__ for color,
         values between ``0`` to ``1`` for opacity).
-    condition : anyOf(:class:`ConditionalValueDefnumber`,
-    List(:class:`ConditionalValueDefnumber`))
+    condition : anyOf(:class:`ConditionalValueDefnumber`, List(:class:`ConditionalValueDefnumber`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -10868,8 +10842,7 @@ class DatumDef(LatLongDef, Position2Def):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -10954,8 +10927,7 @@ class PositionDatumDefBase(PolarDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     scale : anyOf(:class:`Scale`, None)
         An object defining properties of the channel's scale, which is the function that
@@ -11100,8 +11072,7 @@ class PositionDatumDef(PositionDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     impute : anyOf(:class:`ImputeParams`, None)
         An object defining the properties of the Impute Operation to be applied. The field
@@ -11329,8 +11300,9 @@ class PositionFieldDef(PositionDef):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -11561,8 +11533,9 @@ class PositionFieldDefBase(PolarDef):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -11930,8 +11903,7 @@ class FieldRangePredicate(Predicate):
 
     field : :class:`FieldName`
         Field to be tested.
-    range : anyOf(List(anyOf(float, :class:`DateTime`, None, :class:`ExprRef`)),
-    :class:`ExprRef`)
+    range : anyOf(List(anyOf(float, :class:`DateTime`, None, :class:`ExprRef`)), :class:`ExprRef`)
         An array of inclusive minimum and maximum values for a field value of a data item to
         be included in the filtered data.
     timeUnit : anyOf(:class:`TimeUnit`, :class:`TimeUnitParams`)
@@ -12862,8 +12834,9 @@ class RowColumnEncodingFieldDef(VegaLiteSchema):
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -13016,9 +12989,7 @@ class Scale(VegaLiteSchema):
         ``symlog`` scales.
 
         **Default value:** ``1``
-    domain : anyOf(List(anyOf(None, string, float, boolean, :class:`DateTime`,
-    :class:`ExprRef`)), string, :class:`SelectionExtent`, :class:`DomainUnionWith`,
-    :class:`ExprRef`)
+    domain : anyOf(List(anyOf(None, string, float, boolean, :class:`DateTime`, :class:`ExprRef`)), string, :class:`SelectionExtent`, :class:`DomainUnionWith`, :class:`ExprRef`)
         Customized domain values in the form of constant values or dynamic values driven by
         a selection.
 
@@ -13065,8 +13036,7 @@ class Scale(VegaLiteSchema):
         property is only intended for use with scales having continuous domains.
     exponent : anyOf(float, :class:`ExprRef`)
         The exponent of the ``pow`` scale.
-    interpolate : anyOf(:class:`ScaleInterpolateEnum`, :class:`ExprRef`,
-    :class:`ScaleInterpolateParams`)
+    interpolate : anyOf(:class:`ScaleInterpolateEnum`, :class:`ExprRef`, :class:`ScaleInterpolateParams`)
         The interpolation method for range values. By default, a general interpolator for
         numbers, dates, strings and colors (in HCL space) is used. For color ranges, this
         property allows interpolation in alternative color spaces. Legal values include
@@ -13079,8 +13049,7 @@ class Scale(VegaLiteSchema):
 
 
         * **Default value:** ``hcl``
-    nice : anyOf(boolean, float, :class:`TimeInterval`, :class:`TimeIntervalStep`,
-    :class:`ExprRef`)
+    nice : anyOf(boolean, float, :class:`TimeInterval`, :class:`TimeIntervalStep`, :class:`ExprRef`)
         Extending the domain so that it starts and ends on nice round values. This method
         typically modifies the scale’s domain, and may only extend the bounds to the nearest
         round value. Nicing is useful if the domain is computed from data and may be
@@ -13138,8 +13107,7 @@ class Scale(VegaLiteSchema):
         <https://vega.github.io/vega-lite/docs/scale.html#config>`__ 's ``bandPaddingOuter``
         for band scales and ``pointPadding`` for point scales. By default, Vega-Lite sets
         outer padding such that *width/height = number of unique values * step*.
-    range : anyOf(:class:`RangeEnum`, List(anyOf(float, string, List(float), :class:`ExprRef`)),
-    Mapping(required=[field]))
+    range : anyOf(:class:`RangeEnum`, List(anyOf(float, string, List(float), :class:`ExprRef`)), Mapping(required=[field]))
         The range of the scale. One of:
 
 
@@ -14248,16 +14216,14 @@ class FieldOrDatumDefWithConditionDatumDefstringnull(MarkPropDefstringnullTypeFo
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     type : :class:`Type`
         The type of measurement ( ``"quantitative"``, ``"temporal"``, ``"ordinal"``, or
@@ -14376,8 +14342,7 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefTypeForShapestringnull(MarkPro
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -14442,8 +14407,9 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefTypeForShapestringnull(MarkPro
         <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
         sort order will obey the values in the array, followed by any unspecified values in
         their original order. For discrete time field, values in the sort array can be
-        `date-time definition objects <types#datetime>`__. In addition, for time units
-        ``"month"`` and ``"day"``, the values can be the month or day names (case
+        `date-time definition objects
+        <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+        units ``"month"`` and ``"day"``, the values can be the month or day names (case
         insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ). - ``null``
         indicating no sort.
 
@@ -14628,8 +14594,7 @@ class SharedEncoding(VegaLiteSchema):
 
     theta2 : Mapping(required=[])
 
-    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`,
-    List(:class:`StringFieldDef`), None)
+    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`, List(:class:`StringFieldDef`), None)
         The tooltip text to show upon mouse hover. Specifying ``tooltip`` encoding overrides
         `the tooltip property in the mark definition
         <https://vega.github.io/vega-lite/docs/mark.html#mark-def>`__.
@@ -16125,8 +16090,7 @@ class StringFieldDefWithCondition(VegaLiteSchema):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -16292,9 +16256,7 @@ class StringValueDefWithCondition(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -16466,16 +16428,14 @@ class FieldOrDatumDefWithConditionStringDatumDefText(TextDef):
         For other marks, relative position on a band of a stacked, binned, time unit or band
         scale. If set to ``0``, the marks will be positioned at the beginning of the band.
         If set to ``0.5``, the marks will be positioned in the middle of the band.
-    condition : anyOf(:class:`ConditionalValueDefTextExprRef`,
-    List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     format : anyOf(string, :class:`Dictunknown`)
         When used with the default ``"number"`` and ``"time"`` format type, the text
@@ -16634,8 +16594,7 @@ class FieldOrDatumDefWithConditionStringFieldDefText(TextDef):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefTextExprRef`,
-    List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         One or more value definition(s) with `a selection or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -19350,9 +19309,7 @@ class ValueDefWithConditionMarkPropFieldOrDatumDefGradientstringnull(ColorDef, M
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(:class:`Gradient`, string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -19375,9 +19332,7 @@ class ValueDefWithConditionMarkPropFieldOrDatumDefTypeForShapestringnull(MarkPro
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDefTypeForShape`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDefTypeForShape`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -19400,8 +19355,7 @@ class ValueDefWithConditionMarkPropFieldOrDatumDefnumber(MarkPropDefnumber, Nume
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -19423,9 +19377,7 @@ class ValueDefWithConditionMarkPropFieldOrDatumDefnumberArray(MarkPropDefnumberA
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(List(float), :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -19448,9 +19400,7 @@ class ValueDefWithConditionMarkPropFieldOrDatumDefstringnull(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -19472,8 +19422,7 @@ class ValueDefWithConditionStringFieldDefText(TextDef):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalStringFieldDef`,
-    :class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalStringFieldDef`, :class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         A field definition or one or more value definition(s) with a selection predicate.
     value : anyOf(:class:`Text`, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
diff --git a/altair/vegalite/v5/api.py b/altair/vegalite/v5/api.py
index 468aac790..6b12593cc 100644
--- a/altair/vegalite/v5/api.py
+++ b/altair/vegalite/v5/api.py
@@ -2099,7 +2099,7 @@ class Chart(
         Sets how the visualization size should be determined. If a string, should be one of
         `"pad"`, `"fit"` or `"none"`. Object values can additionally specify parameters for
         content sizing and automatic resizing. `"fit"` is only supported for single and
-        layered views that don't use `rangeStep`.  __Default value__: `pad`
+        layered views that don't use `rangeStep`.  Default value: `pad`
     background : string
         CSS color property to use as the background of visualization.
 
@@ -2117,8 +2117,8 @@ class Chart(
         The default visualization padding, in pixels, from the edge of the visualization
         canvas to the data rectangle.  If a number, specifies padding for all sides. If an
         object, the value should have the format `{"left": 5, "top": 5, "right": 5,
-        "bottom": 5}` to specify padding for each side of the visualization.  __Default
-        value__: `5`
+        "bottom": 5}` to specify padding for each side of the visualization.  Default
+        value: `5`
     projection : Projection
         An object defining properties of geographic projection.  Works with `"geoshape"`
         marks and `"point"` or `"line"` marks that have a channel (one or more of `"X"`,
diff --git a/altair/vegalite/v5/schema/channels.py b/altair/vegalite/v5/schema/channels.py
index 602a492ba..09c0f1fb4 100644
--- a/altair/vegalite/v5/schema/channels.py
+++ b/altair/vegalite/v5/schema/channels.py
@@ -136,8 +136,7 @@ class Angle(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -207,8 +206,9 @@ class Angle(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -344,16 +344,14 @@ class AngleDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefnum
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -461,8 +459,7 @@ class AngleValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDat
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -521,8 +518,7 @@ class Color(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -592,8 +588,9 @@ class Color(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -729,16 +726,14 @@ class ColorDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefGra
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -846,9 +841,7 @@ class ColorValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDat
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(:class:`Gradient`, string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -959,8 +952,9 @@ class Column(FieldChannelMixin, core.RowColumnEncodingFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -1130,8 +1124,7 @@ class Description(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -1306,9 +1299,7 @@ class DescriptionValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -1623,8 +1614,9 @@ class Facet(FieldChannelMixin, core.FacetEncodingFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -1796,8 +1788,7 @@ class Fill(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDefG
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -1867,8 +1858,9 @@ class Fill(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDefG
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -2004,16 +1996,14 @@ class FillDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefGrad
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -2121,9 +2111,7 @@ class FillValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDatu
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(:class:`Gradient`, string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -2182,8 +2170,7 @@ class FillOpacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFi
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -2253,8 +2240,9 @@ class FillOpacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFi
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -2390,16 +2378,14 @@ class FillOpacityDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatum
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -2507,8 +2493,7 @@ class FillOpacityValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFiel
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -2567,8 +2552,7 @@ class Href(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -2743,9 +2727,7 @@ class HrefValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -3106,8 +3088,7 @@ class LatitudeDatum(DatumChannelMixin, core.DatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -3318,8 +3299,7 @@ class Latitude2Datum(DatumChannelMixin, core.DatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -3619,8 +3599,7 @@ class LongitudeDatum(DatumChannelMixin, core.DatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -3831,8 +3810,7 @@ class Longitude2Datum(DatumChannelMixin, core.DatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -3998,8 +3976,7 @@ class Opacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldD
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -4069,8 +4046,9 @@ class Opacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldD
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -4206,16 +4184,14 @@ class OpacityDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefn
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -4323,8 +4299,7 @@ class OpacityValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrD
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -4520,8 +4495,7 @@ class OrderValue(ValueChannelMixin, core.OrderValueDef):
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
         definition <https://vega.github.io/vega-lite/docs/types.html#gradient>`__ for color,
         values between ``0`` to ``1`` for opacity).
-    condition : anyOf(:class:`ConditionalValueDefnumber`,
-    List(:class:`ConditionalValueDefnumber`))
+    condition : anyOf(:class:`ConditionalValueDefnumber`, List(:class:`ConditionalValueDefnumber`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -4633,8 +4607,9 @@ class Radius(FieldChannelMixin, core.PositionFieldDefBase):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -4662,8 +4637,8 @@ class Radius(FieldChannelMixin, core.PositionFieldDefBase):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -4798,8 +4773,7 @@ class RadiusDatum(DatumChannelMixin, core.PositionDatumDefBase):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     scale : anyOf(:class:`Scale`, None)
         An object defining properties of the channel's scale, which is the function that
@@ -4831,8 +4805,8 @@ class RadiusDatum(DatumChannelMixin, core.PositionDatumDefBase):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -5076,8 +5050,7 @@ class Radius2Datum(DatumChannelMixin, core.DatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -5295,8 +5268,9 @@ class Row(FieldChannelMixin, core.RowColumnEncodingFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -5466,8 +5440,7 @@ class Shape(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -5537,8 +5510,9 @@ class Shape(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDef
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -5674,16 +5648,14 @@ class ShapeDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefstr
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -5791,9 +5763,7 @@ class ShapeValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDat
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDefTypeForShape`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDefTypeForShape`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -5852,8 +5822,7 @@ class Size(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDefn
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -5923,8 +5892,9 @@ class Size(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDefn
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -6060,16 +6030,14 @@ class SizeDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefnumb
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -6177,8 +6145,7 @@ class SizeValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDatu
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -6237,8 +6204,7 @@ class Stroke(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDe
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -6308,8 +6274,9 @@ class Stroke(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFieldDe
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -6445,16 +6412,14 @@ class StrokeDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumDefGr
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -6562,9 +6527,7 @@ class StrokeValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFieldOrDa
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(:class:`Gradient`, string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -6623,8 +6586,7 @@ class StrokeDash(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFie
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -6694,8 +6656,9 @@ class StrokeDash(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFie
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -6831,16 +6794,14 @@ class StrokeDashDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatumD
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -6948,9 +6909,7 @@ class StrokeDashValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropField
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(List(float), :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -7009,8 +6968,7 @@ class StrokeOpacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkProp
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -7080,8 +7038,9 @@ class StrokeOpacity(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkProp
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -7217,16 +7176,14 @@ class StrokeOpacityDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDat
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -7334,8 +7291,7 @@ class StrokeOpacityValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFi
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -7394,8 +7350,7 @@ class StrokeWidth(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFi
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -7465,8 +7420,9 @@ class StrokeWidth(FieldChannelMixin, core.FieldOrDatumDefWithConditionMarkPropFi
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -7602,16 +7558,14 @@ class StrokeWidthDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionDatum
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -7719,8 +7673,7 @@ class StrokeWidthValue(ValueChannelMixin, core.ValueDefWithConditionMarkPropFiel
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -7779,8 +7732,7 @@ class Text(FieldChannelMixin, core.FieldOrDatumDefWithConditionStringFieldDefTex
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefTextExprRef`,
-    List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -7961,16 +7913,14 @@ class TextDatum(DatumChannelMixin, core.FieldOrDatumDefWithConditionStringDatumD
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefTextExprRef`,
-    List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     format : anyOf(string, :class:`Dict`)
         When used with the default ``"number"`` and ``"time"`` format type, the text
@@ -8113,8 +8063,7 @@ class TextValue(ValueChannelMixin, core.ValueDefWithConditionStringFieldDefText)
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalStringFieldDef`,
-    :class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalStringFieldDef`, :class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(:class:`Text`, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -8225,8 +8174,9 @@ class Theta(FieldChannelMixin, core.PositionFieldDefBase):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -8254,8 +8204,8 @@ class Theta(FieldChannelMixin, core.PositionFieldDefBase):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -8389,8 +8339,7 @@ class ThetaDatum(DatumChannelMixin, core.PositionDatumDefBase):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     scale : anyOf(:class:`Scale`, None)
         An object defining properties of the channel's scale, which is the function that
@@ -8422,8 +8371,8 @@ class ThetaDatum(DatumChannelMixin, core.PositionDatumDefBase):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -8667,8 +8616,7 @@ class Theta2Datum(DatumChannelMixin, core.DatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -8834,8 +8782,7 @@ class Tooltip(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -9010,9 +8957,7 @@ class TooltipValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -9071,8 +9016,7 @@ class Url(FieldChannelMixin, core.StringFieldDefWithCondition):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -9247,9 +9191,7 @@ class UrlValue(ValueChannelMixin, core.StringValueDefWithCondition):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -9377,8 +9319,9 @@ class X(FieldChannelMixin, core.PositionFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -9406,8 +9349,8 @@ class X(FieldChannelMixin, core.PositionFieldDef):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -9551,8 +9494,7 @@ class XDatum(DatumChannelMixin, core.PositionDatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     impute : anyOf(:class:`ImputeParams`, None)
         An object defining the properties of the Impute Operation to be applied. The field
@@ -9592,8 +9534,8 @@ class XDatum(DatumChannelMixin, core.PositionDatumDef):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -9836,8 +9778,7 @@ class X2Datum(DatumChannelMixin, core.DatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -10299,8 +10240,9 @@ class XOffset(FieldChannelMixin, core.ScaleFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -10433,8 +10375,7 @@ class XOffsetDatum(DatumChannelMixin, core.ScaleDatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     scale : anyOf(:class:`Scale`, None)
         An object defining properties of the channel's scale, which is the function that
@@ -10683,8 +10624,9 @@ class Y(FieldChannelMixin, core.PositionFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -10712,8 +10654,8 @@ class Y(FieldChannelMixin, core.PositionFieldDef):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -10857,8 +10799,7 @@ class YDatum(DatumChannelMixin, core.PositionDatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     impute : anyOf(:class:`ImputeParams`, None)
         An object defining the properties of the Impute Operation to be applied. The field
@@ -10898,8 +10839,8 @@ class YDatum(DatumChannelMixin, core.PositionDatumDef):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -11142,8 +11083,7 @@ class Y2Datum(DatumChannelMixin, core.DatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -11605,8 +11545,9 @@ class YOffset(FieldChannelMixin, core.ScaleFieldDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -11739,8 +11680,7 @@ class YOffsetDatum(DatumChannelMixin, core.ScaleDatumDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     scale : anyOf(:class:`Scale`, None)
         An object defining properties of the channel's scale, which is the function that
diff --git a/altair/vegalite/v5/schema/core.py b/altair/vegalite/v5/schema/core.py
index a63d8cda4..af0d74832 100644
--- a/altair/vegalite/v5/schema/core.py
+++ b/altair/vegalite/v5/schema/core.py
@@ -613,8 +613,7 @@ class Axis(VegaLiteSchema):
         binned; otherwise, ``false``.
     gridCap : anyOf(:class:`StrokeCap`, :class:`ExprRef`)
 
-    gridColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    gridColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     gridDash : anyOf(List(float), :class:`ExprRef`, :class:`ConditionalAxisNumberArray`)
 
@@ -628,13 +627,11 @@ class Axis(VegaLiteSchema):
 
     labelAngle : anyOf(float, :class:`ExprRef`)
 
-    labelBaseline : anyOf(:class:`TextBaseline`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelBaseline`)
+    labelBaseline : anyOf(:class:`TextBaseline`, :class:`ExprRef`, :class:`ConditionalAxisLabelBaseline`)
 
     labelBound : anyOf(anyOf(float, boolean), :class:`ExprRef`)
 
-    labelColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    labelColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     labelExpr : string
         `Vega expression <https://vega.github.io/vega/docs/expressions/>`__ for customizing
@@ -659,11 +656,9 @@ class Axis(VegaLiteSchema):
 
     labelFontSize : anyOf(float, :class:`ExprRef`, :class:`ConditionalAxisNumber`)
 
-    labelFontStyle : anyOf(:class:`FontStyle`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelFontStyle`)
+    labelFontStyle : anyOf(:class:`FontStyle`, :class:`ExprRef`, :class:`ConditionalAxisLabelFontStyle`)
 
-    labelFontWeight : anyOf(:class:`FontWeight`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelFontWeight`)
+    labelFontWeight : anyOf(:class:`FontWeight`, :class:`ExprRef`, :class:`ConditionalAxisLabelFontWeight`)
 
     labelLimit : anyOf(float, :class:`ExprRef`)
 
@@ -727,8 +722,7 @@ class Axis(VegaLiteSchema):
 
     tickCap : anyOf(:class:`StrokeCap`, :class:`ExprRef`)
 
-    tickColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    tickColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     tickCount : anyOf(float, :class:`TimeInterval`, :class:`TimeIntervalStep`, :class:`ExprRef`)
         A desired number of ticks, for axes visualizing quantitative scales. The resulting
@@ -827,8 +821,7 @@ class Axis(VegaLiteSchema):
 
     translate : anyOf(float, :class:`ExprRef`)
 
-    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`),
-    :class:`ExprRef`)
+    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`), :class:`ExprRef`)
         Explicitly set the visible axis tick values.
     zindex : float
         A non-negative integer indicating the z-index of the axis. If zindex is 0, axes
@@ -971,8 +964,7 @@ class AxisConfig(VegaLiteSchema):
         binned; otherwise, ``false``.
     gridCap : anyOf(:class:`StrokeCap`, :class:`ExprRef`)
 
-    gridColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    gridColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     gridDash : anyOf(List(float), :class:`ExprRef`, :class:`ConditionalAxisNumberArray`)
 
@@ -986,13 +978,11 @@ class AxisConfig(VegaLiteSchema):
 
     labelAngle : anyOf(float, :class:`ExprRef`)
 
-    labelBaseline : anyOf(:class:`TextBaseline`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelBaseline`)
+    labelBaseline : anyOf(:class:`TextBaseline`, :class:`ExprRef`, :class:`ConditionalAxisLabelBaseline`)
 
     labelBound : anyOf(anyOf(float, boolean), :class:`ExprRef`)
 
-    labelColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    labelColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     labelExpr : string
         `Vega expression <https://vega.github.io/vega/docs/expressions/>`__ for customizing
@@ -1017,11 +1007,9 @@ class AxisConfig(VegaLiteSchema):
 
     labelFontSize : anyOf(float, :class:`ExprRef`, :class:`ConditionalAxisNumber`)
 
-    labelFontStyle : anyOf(:class:`FontStyle`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelFontStyle`)
+    labelFontStyle : anyOf(:class:`FontStyle`, :class:`ExprRef`, :class:`ConditionalAxisLabelFontStyle`)
 
-    labelFontWeight : anyOf(:class:`FontWeight`, :class:`ExprRef`,
-    :class:`ConditionalAxisLabelFontWeight`)
+    labelFontWeight : anyOf(:class:`FontWeight`, :class:`ExprRef`, :class:`ConditionalAxisLabelFontWeight`)
 
     labelLimit : anyOf(float, :class:`ExprRef`)
 
@@ -1085,8 +1073,7 @@ class AxisConfig(VegaLiteSchema):
 
     tickCap : anyOf(:class:`StrokeCap`, :class:`ExprRef`)
 
-    tickColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`,
-    :class:`ConditionalAxisColor`)
+    tickColor : anyOf(anyOf(None, :class:`Color`), :class:`ExprRef`, :class:`ConditionalAxisColor`)
 
     tickCount : anyOf(float, :class:`TimeInterval`, :class:`TimeIntervalStep`, :class:`ExprRef`)
         A desired number of ticks, for axes visualizing quantitative scales. The resulting
@@ -1185,8 +1172,7 @@ class AxisConfig(VegaLiteSchema):
 
     translate : anyOf(float, :class:`ExprRef`)
 
-    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`),
-    :class:`ExprRef`)
+    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`), :class:`ExprRef`)
         Explicitly set the visible axis tick values.
     zindex : float
         A non-negative integer indicating the z-index of the axis. If zindex is 0, axes
@@ -3994,8 +3980,7 @@ class Encoding(VegaLiteSchema):
         encoding if conflicting encodings are specified. 2) See the scale documentation for
         more information about customizing `color scheme
         <https://vega.github.io/vega-lite/docs/scale.html#scheme>`__.
-    description : anyOf(:class:`StringFieldDefWithCondition`,
-    :class:`StringValueDefWithCondition`)
+    description : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`)
         A text description of this mark for ARIA accessibility (SVG output only). For SVG
         output the ``"aria-label"`` attribute will be set to this description.
     detail : anyOf(:class:`FieldDefWithoutScale`, List(:class:`FieldDefWithoutScale`))
@@ -4121,8 +4106,7 @@ class Encoding(VegaLiteSchema):
     theta2 : :class:`Position2Def`
         The end angle of arc marks in radians. A value of 0 indicates up or “north”,
         increasing values proceed clockwise.
-    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`,
-    List(:class:`StringFieldDef`), None)
+    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`, List(:class:`StringFieldDef`), None)
         The tooltip text to show upon mouse hover. Specifying ``tooltip`` encoding overrides
         `the tooltip property in the mark definition
         <https://vega.github.io/vega-lite/docs/mark.html#mark-def>`__.
@@ -4627,8 +4611,9 @@ class FacetEncodingFieldDef(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -4831,8 +4816,9 @@ class FacetFieldDef(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -4995,8 +4981,7 @@ class FacetedEncoding(VegaLiteSchema):
         <https://vega.github.io/vega-lite/docs/scale.html#scheme>`__.
     column : :class:`RowColumnEncodingFieldDef`
         A field definition for the horizontal facet of trellis plots.
-    description : anyOf(:class:`StringFieldDefWithCondition`,
-    :class:`StringValueDefWithCondition`)
+    description : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`)
         A text description of this mark for ARIA accessibility (SVG output only). For SVG
         output the ``"aria-label"`` attribute will be set to this description.
     detail : anyOf(:class:`FieldDefWithoutScale`, List(:class:`FieldDefWithoutScale`))
@@ -5128,8 +5113,7 @@ class FacetedEncoding(VegaLiteSchema):
     theta2 : :class:`Position2Def`
         The end angle of arc marks in radians. A value of 0 indicates up or “north”,
         increasing values proceed clockwise.
-    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`,
-    List(:class:`StringFieldDef`), None)
+    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`, List(:class:`StringFieldDef`), None)
         The tooltip text to show upon mouse hover. Specifying ``tooltip`` encoding overrides
         `the tooltip property in the mark definition
         <https://vega.github.io/vega-lite/docs/mark.html#mark-def>`__.
@@ -5432,8 +5416,7 @@ class FieldOrDatumDefWithConditionStringFieldDefstring(VegaLiteSchema):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -7019,8 +7002,7 @@ class Legend(VegaLiteSchema):
 
         **Default value:** ``"gradient"`` for non-binned quantitative fields and temporal
         fields; ``"symbol"`` otherwise.
-    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`),
-    :class:`ExprRef`)
+    values : anyOf(List(float), List(string), List(boolean), List(:class:`DateTime`), :class:`ExprRef`)
         Explicitly set the visible legend values.
     zindex : float
         A non-negative integer indicating the z-index of the legend. If zindex is 0, legend
@@ -8644,16 +8626,14 @@ class FieldOrDatumDefWithConditionDatumDefGradientstringnull(ColorDef, MarkPropD
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -8799,8 +8779,7 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefGradientstringnull(ColorDef, M
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -8870,8 +8849,9 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefGradientstringnull(ColorDef, M
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -9170,16 +9150,14 @@ class FieldOrDatumDefWithConditionDatumDefnumberArray(MarkPropDefnumberArray, Nu
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -9324,8 +9302,7 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefnumberArray(MarkPropDefnumberA
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -9395,8 +9372,9 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefnumberArray(MarkPropDefnumberA
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -9551,16 +9529,14 @@ class FieldOrDatumDefWithConditionDatumDefnumber(MarkPropDefnumber, NumericMarkP
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -9705,8 +9681,7 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefnumber(MarkPropDefnumber, Nume
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`,
-    List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -9776,8 +9751,9 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefnumber(MarkPropDefnumber, Nume
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -10093,8 +10069,7 @@ class OrderValueDef(VegaLiteSchema):
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
         definition <https://vega.github.io/vega-lite/docs/types.html#gradient>`__ for color,
         values between ``0`` to ``1`` for opacity).
-    condition : anyOf(:class:`ConditionalValueDefnumber`,
-    List(:class:`ConditionalValueDefnumber`))
+    condition : anyOf(:class:`ConditionalValueDefnumber`, List(:class:`ConditionalValueDefnumber`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -10791,8 +10766,7 @@ class DatumDef(LatLongDef, Position2Def):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -10903,8 +10877,7 @@ class PositionDatumDefBase(PolarDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     scale : anyOf(:class:`Scale`, None)
         An object defining properties of the channel's scale, which is the function that
@@ -10936,8 +10909,8 @@ class PositionDatumDefBase(PolarDef):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -11079,8 +11052,7 @@ class PositionDatumDef(PositionDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     impute : anyOf(:class:`ImputeParams`, None)
         An object defining the properties of the Impute Operation to be applied. The field
@@ -11120,8 +11092,8 @@ class PositionDatumDef(PositionDef):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -11344,8 +11316,9 @@ class PositionFieldDef(PositionDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -11373,8 +11346,8 @@ class PositionFieldDef(PositionDef):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -11591,8 +11564,9 @@ class PositionFieldDefBase(PolarDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -11620,8 +11594,8 @@ class PositionFieldDefBase(PolarDef):
           stacked bar and area charts
           <https://vega.github.io/vega-lite/docs/stack.html#normalized>`__.
           :raw-html:`<br/>`
-        - ``"center"`` - stacking with center baseline (for `streamgraph
-        <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
+        * ``"center"`` - stacking with center baseline (for `streamgraph
+          <https://vega.github.io/vega-lite/docs/stack.html#streamgraph>`__ ).
         * ``null`` or ``false`` - No-stacking. This will produce layered `bar
           <https://vega.github.io/vega-lite/docs/stack.html#layered-bar-chart>`__ and area
           chart.
@@ -11978,8 +11952,7 @@ class FieldRangePredicate(Predicate):
 
     field : :class:`FieldName`
         Field to be tested.
-    range : anyOf(List(anyOf(float, :class:`DateTime`, None, :class:`ExprRef`)),
-    :class:`ExprRef`)
+    range : anyOf(List(anyOf(float, :class:`DateTime`, None, :class:`ExprRef`)), :class:`ExprRef`)
         An array of inclusive minimum and maximum values for a field value of a data item to
         be included in the filtered data.
     timeUnit : anyOf(:class:`TimeUnit`, :class:`TimeUnitParams`)
@@ -12923,8 +12896,9 @@ class RowColumnEncodingFieldDef(VegaLiteSchema):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -13093,9 +13067,7 @@ class Scale(VegaLiteSchema):
         ``symlog`` scales.
 
         **Default value:** ``1``
-    domain : anyOf(List(anyOf(None, string, float, boolean, :class:`DateTime`,
-    :class:`ExprRef`)), string, :class:`ParameterExtent`, :class:`DomainUnionWith`,
-    :class:`ExprRef`)
+    domain : anyOf(List(anyOf(None, string, float, boolean, :class:`DateTime`, :class:`ExprRef`)), string, :class:`ParameterExtent`, :class:`DomainUnionWith`, :class:`ExprRef`)
         Customized domain values in the form of constant values or dynamic values driven by
         a parameter.
 
@@ -13142,8 +13114,7 @@ class Scale(VegaLiteSchema):
         property is only intended for use with scales having continuous domains.
     exponent : anyOf(float, :class:`ExprRef`)
         The exponent of the ``pow`` scale.
-    interpolate : anyOf(:class:`ScaleInterpolateEnum`, :class:`ExprRef`,
-    :class:`ScaleInterpolateParams`)
+    interpolate : anyOf(:class:`ScaleInterpolateEnum`, :class:`ExprRef`, :class:`ScaleInterpolateParams`)
         The interpolation method for range values. By default, a general interpolator for
         numbers, dates, strings and colors (in HCL space) is used. For color ranges, this
         property allows interpolation in alternative color spaces. Legal values include
@@ -13156,8 +13127,7 @@ class Scale(VegaLiteSchema):
 
 
         * **Default value:** ``hcl``
-    nice : anyOf(boolean, float, :class:`TimeInterval`, :class:`TimeIntervalStep`,
-    :class:`ExprRef`)
+    nice : anyOf(boolean, float, :class:`TimeInterval`, :class:`TimeIntervalStep`, :class:`ExprRef`)
         Extending the domain so that it starts and ends on nice round values. This method
         typically modifies the scale’s domain, and may only extend the bounds to the nearest
         round value. Nicing is useful if the domain is computed from data and may be
@@ -13216,8 +13186,7 @@ class Scale(VegaLiteSchema):
         <https://vega.github.io/vega-lite/docs/scale.html#config>`__ 's ``bandPaddingOuter``
         for band scales and ``pointPadding`` for point scales. By default, Vega-Lite sets
         outer padding such that *width/height = number of unique values * step*.
-    range : anyOf(:class:`RangeEnum`, List(anyOf(float, string, List(float), :class:`ExprRef`)),
-    :class:`FieldRange`)
+    range : anyOf(:class:`RangeEnum`, List(anyOf(float, string, List(float), :class:`ExprRef`)), :class:`FieldRange`)
         The range of the scale. One of:
 
 
@@ -13540,8 +13509,7 @@ class ScaleDatumDef(OffsetDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     scale : anyOf(:class:`Scale`, None)
         An object defining properties of the channel's scale, which is the function that
@@ -13749,8 +13717,9 @@ class ScaleFieldDef(OffsetDef):
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -14243,8 +14212,7 @@ class SelectionParameter(VegaLiteSchema):
         JavaScript identifiers: they should contain only alphanumeric characters (or "$", or
         "_") and may not start with a digit. Reserved keywords that may not be used as
         parameter names are "datum", "event", "item", and "parent".
-    select : anyOf(:class:`SelectionType`, :class:`PointSelectionConfig`,
-    :class:`IntervalSelectionConfig`)
+    select : anyOf(:class:`SelectionType`, :class:`PointSelectionConfig`, :class:`IntervalSelectionConfig`)
         Determines the default event processing and data query for the selection. Vega-Lite
         currently supports two selection types:
 
@@ -14268,8 +14236,7 @@ class SelectionParameter(VegaLiteSchema):
 
         **See also:** `bind <https://vega.github.io/vega-lite/docs/bind.html>`__
         documentation.
-    value : anyOf(:class:`SelectionInit`, List(:class:`SelectionInitMapping`),
-    :class:`SelectionInitIntervalMapping`)
+    value : anyOf(:class:`SelectionInit`, List(:class:`SelectionInitMapping`), :class:`SelectionInitIntervalMapping`)
         Initialize the selection with a mapping between `projected channels or field names
         <https://vega.github.io/vega-lite/docs/selection.html#project>`__ and initial
         values.
@@ -14440,16 +14407,14 @@ class FieldOrDatumDefWithConditionDatumDefstringnull(MarkPropDefstringnullTypeFo
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     title : anyOf(:class:`Text`, None)
         A title for the field. If ``null``, the title will be removed.
@@ -14594,8 +14559,7 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefTypeForShapestringnull(MarkPro
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -14665,8 +14629,9 @@ class FieldOrDatumDefWithConditionMarkPropFieldDefTypeForShapestringnull(MarkPro
           <https://vega.github.io/vega-lite/docs/sort.html#sort-array>`__. In this case, the
           sort order will obey the values in the array, followed by any unspecified values
           in their original order. For discrete time field, values in the sort array can be
-          `date-time definition objects <types#datetime>`__. In addition, for time units
-          ``"month"`` and ``"day"``, the values can be the month or day names (case
+          `date-time definition objects
+          <https://vega.github.io/vega-lite/docs/datetime.html>`__. In addition, for time
+          units ``"month"`` and ``"day"``, the values can be the month or day names (case
           insensitive) or their 3-letter initials (e.g., ``"Mon"``, ``"Tue"`` ).
         * ``null`` indicating no sort.
 
@@ -14867,8 +14832,7 @@ class SharedEncoding(VegaLiteSchema):
 
     theta2 : Mapping(required=[])
 
-    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`,
-    List(:class:`StringFieldDef`), None)
+    tooltip : anyOf(:class:`StringFieldDefWithCondition`, :class:`StringValueDefWithCondition`, List(:class:`StringFieldDef`), None)
         The tooltip text to show upon mouse hover. Specifying ``tooltip`` encoding overrides
         `the tooltip property in the mark definition
         <https://vega.github.io/vega-lite/docs/mark.html#mark-def>`__.
@@ -16227,8 +16191,7 @@ class StringFieldDefWithCondition(VegaLiteSchema):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefstringExprRef`,
-    List(:class:`ConditionalValueDefstringExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefstringExprRef`, List(:class:`ConditionalValueDefstringExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -16404,9 +16367,7 @@ class StringValueDefWithCondition(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -16571,16 +16532,14 @@ class FieldOrDatumDefWithConditionStringDatumDefText(TextDef):
         Relative position on a band of a stacked, binned, time unit, or band scale. For
         example, the marks will be positioned at the beginning of the band if set to ``0``,
         and at the middle of the band if set to ``0.5``.
-    condition : anyOf(:class:`ConditionalValueDefTextExprRef`,
-    List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
         **Note:** A field definition's ``condition`` property can only contain `conditional
         value definitions <https://vega.github.io/vega-lite/docs/condition.html#value>`__
         since Vega-Lite only allows at most one encoded field per encoding channel.
-    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`,
-    :class:`RepeatRef`)
+    datum : anyOf(:class:`PrimitiveValue`, :class:`DateTime`, :class:`ExprRef`, :class:`RepeatRef`)
         A constant value in data domain.
     format : anyOf(string, :class:`Dict`)
         When used with the default ``"number"`` and ``"time"`` format type, the text
@@ -16761,8 +16720,7 @@ class FieldOrDatumDefWithConditionStringFieldDefText(TextDef):
 
         **See also:** `bin <https://vega.github.io/vega-lite/docs/bin.html>`__
         documentation.
-    condition : anyOf(:class:`ConditionalValueDefTextExprRef`,
-    List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         One or more value definition(s) with `a parameter or a test predicate
         <https://vega.github.io/vega-lite/docs/condition.html>`__.
 
@@ -17691,8 +17649,7 @@ class TopLevelSelectionParameter(VegaLiteSchema):
         JavaScript identifiers: they should contain only alphanumeric characters (or "$", or
         "_") and may not start with a digit. Reserved keywords that may not be used as
         parameter names are "datum", "event", "item", and "parent".
-    select : anyOf(:class:`SelectionType`, :class:`PointSelectionConfig`,
-    :class:`IntervalSelectionConfig`)
+    select : anyOf(:class:`SelectionType`, :class:`PointSelectionConfig`, :class:`IntervalSelectionConfig`)
         Determines the default event processing and data query for the selection. Vega-Lite
         currently supports two selection types:
 
@@ -17716,8 +17673,7 @@ class TopLevelSelectionParameter(VegaLiteSchema):
 
         **See also:** `bind <https://vega.github.io/vega-lite/docs/bind.html>`__
         documentation.
-    value : anyOf(:class:`SelectionInit`, List(:class:`SelectionInitMapping`),
-    :class:`SelectionInitIntervalMapping`)
+    value : anyOf(:class:`SelectionInit`, List(:class:`SelectionInitMapping`), :class:`SelectionInitIntervalMapping`)
         Initialize the selection with a mapping between `projected channels or field names
         <https://vega.github.io/vega-lite/docs/selection.html#project>`__ and initial
         values.
@@ -19599,9 +19555,7 @@ class ValueDefWithConditionMarkPropFieldOrDatumDefGradientstringnull(ColorDef, M
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefGradientstringnullExprRef`,
-    List(:class:`ConditionalValueDefGradientstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefGradientstringnullExprRef`, List(:class:`ConditionalValueDefGradientstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(:class:`Gradient`, string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -19624,9 +19578,7 @@ class ValueDefWithConditionMarkPropFieldOrDatumDefTypeForShapestringnull(MarkPro
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDefTypeForShape`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDefTypeForShape`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -19649,8 +19601,7 @@ class ValueDefWithConditionMarkPropFieldOrDatumDefnumber(MarkPropDefnumber, Nume
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(float, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -19672,9 +19623,7 @@ class ValueDefWithConditionMarkPropFieldOrDatumDefnumberArray(MarkPropDefnumberA
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefnumberArrayExprRef`,
-    List(:class:`ConditionalValueDefnumberArrayExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefnumberArrayExprRef`, List(:class:`ConditionalValueDefnumberArrayExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(List(float), :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -19697,9 +19646,7 @@ class ValueDefWithConditionMarkPropFieldOrDatumDefstringnull(VegaLiteSchema):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`,
-    :class:`ConditionalValueDefstringnullExprRef`,
-    List(:class:`ConditionalValueDefstringnullExprRef`))
+    condition : anyOf(:class:`ConditionalMarkPropFieldOrDatumDef`, :class:`ConditionalValueDefstringnullExprRef`, List(:class:`ConditionalValueDefstringnullExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(string, None, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
@@ -19721,8 +19668,7 @@ class ValueDefWithConditionStringFieldDefText(TextDef):
     Attributes
     ----------
 
-    condition : anyOf(:class:`ConditionalStringFieldDef`,
-    :class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
+    condition : anyOf(:class:`ConditionalStringFieldDef`, :class:`ConditionalValueDefTextExprRef`, List(:class:`ConditionalValueDefTextExprRef`))
         A field definition or one or more value definition(s) with a parameter predicate.
     value : anyOf(:class:`Text`, :class:`ExprRef`)
         A constant value in visual domain (e.g., ``"red"`` / ``"#0099ff"`` / `gradient
diff --git a/doc/getting_started/installation.rst b/doc/getting_started/installation.rst
index 1e31f2e6c..8fead3a6d 100644
--- a/doc/getting_started/installation.rst
+++ b/doc/getting_started/installation.rst
@@ -25,6 +25,7 @@ with the above installation commands:
 
 - python 3.6 or newer
 - entrypoints_
+- jinja2
 - jsonschema_
 - NumPy_
 - Pandas_
@@ -33,14 +34,19 @@ with the above installation commands:
 To run Altair's full test suite and build Altair's documentation requires a few
 additional dependencies:
 
+- black
 - flake8
 - pytest
-- jinja2
 - sphinx
 - m2r
 - docutils
 - vega_datasets_
 - ipython
+- myst-parser
+- numpydoc
+- pillow
+- pydata-sphinx-theme
+- geopandas
 
 Development Install
 ===================
diff --git a/doc/releases/changes.rst b/doc/releases/changes.rst
index 8b20967bd..96172f954 100644
--- a/doc/releases/changes.rst
+++ b/doc/releases/changes.rst
@@ -111,7 +111,7 @@ Enhancements
 
 - New pivot transform: (see :ref:`user-guide-pivot-transform`)
 
-- Image mark (see :ref:`user-guide-image-mark`)
+- Image mark (see :ref:`user-guide-image-marks`)
 
 - New default ``html`` renderer, directly compatible with Jupyter Notebook and
   JupyterLab without the need for frontend extensions, as well as tools like
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 0f89d39b7..efefc068c 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -4,4 +4,4 @@ numpydoc
 pillow
 mistune<=0.8.4
 pydata-sphinx-theme
-geopandas
+geopandas
\ No newline at end of file
diff --git a/doc/user_guide/API.rst b/doc/user_guide/API.rst
index 573a1f697..a1092ebc4 100644
--- a/doc/user_guide/API.rst
+++ b/doc/user_guide/API.rst
@@ -210,7 +210,6 @@ Low-Level Schema Wrappers
    BrushConfig
    CalculateTransform
    Categorical
-   Color
    ColorDef
    ColorName
    ColorScheme
@@ -508,7 +507,6 @@ Low-Level Schema Wrappers
    StrokeJoin
    StyleConfigIndex
    SymbolShape
-   Text
    TextBaseline
    TextDef
    TextDirection
diff --git a/doc/user_guide/compound_charts.rst b/doc/user_guide/compound_charts.rst
index 1229a19a9..9ca757db6 100644
--- a/doc/user_guide/compound_charts.rst
+++ b/doc/user_guide/compound_charts.rst
@@ -362,7 +362,7 @@ layered chart with a hover selection:
 
 .. altair-plot::
 
-    hover = alt.selection_point(on='mouseover', nearest=True, empty='none')
+    hover = alt.selection_point(on='mouseover', nearest=True, empty=False)
 
     base = alt.Chart(iris).encode(
         x='petalLength:Q',
diff --git a/doc/user_guide/interactions.rst b/doc/user_guide/interactions.rst
index 035f30e56..e8c1b9054 100644
--- a/doc/user_guide/interactions.rst
+++ b/doc/user_guide/interactions.rst
@@ -312,7 +312,7 @@ empty selection contains none of the points:
 
 .. altair-plot::
 
-   interval_x = alt.selection_interval(encodings=['x'], empty='none')
+   interval_x = alt.selection_interval(encodings=['x'], empty=False)
    make_example(interval_x)
 
 A special case of an interval selection is when the interval is bound to the
@@ -366,7 +366,7 @@ by hovering over them with your mouse:
 
 .. altair-plot::
 
-    point_mouseover = alt.selection_point(on='mouseover', toggle=False, empty='none')
+    point_mouseover = alt.selection_point(on='mouseover', toggle=False, empty=False)
     make_example(point_mouseover)
 
 Composing Multiple Selections
@@ -728,7 +728,7 @@ Some possible use cases for the above interactivity are not currently supported
         x=alt.X('value:Q', title=''),
         y='Horsepower',
         color='Origin',
-    ).add_selection(
+    ).add_params(
         selection
     ).transform_filter(
         selection
diff --git a/doc/user_guide/marks/geoshape.rst b/doc/user_guide/marks/geoshape.rst
index d5ff2c230..08119d101 100644
--- a/doc/user_guide/marks/geoshape.rst
+++ b/doc/user_guide/marks/geoshape.rst
@@ -170,10 +170,12 @@ Points can be drawn when they are defined as ``Points`` within a GeoDataFrame us
 We first assign the centroids of Polygons as Point geometry and plot these:
 
 .. altair-plot::
-
+    
+    # .copy() to prevent changing the original `gdf_sel` variable
+    # derive centroid in a projected CRS (in meters) and visualize in a geographic CRS (in degrees).
     gdf_centroid = gpd.GeoDataFrame(
-        data=gdf_sel.copy(),  # .copy() to prevent changing the original `gdf_sel` variable
-        geometry=gdf_sel.geometry.centroid
+        data=gdf_sel.copy(),
+        geometry=gdf_sel.geometry.to_crs(epsg=3857).centroid.to_crs(epsg=4326)
     )
 
     alt.Chart(gdf_centroid).mark_geoshape()
@@ -393,8 +395,7 @@ This method will maximize the similarity of values in a class while maximizing t
 distance between the classes (`natural breaks`). The method is also known as the
 Fisher-Jenks algorithm and is similar to k-Means in 1D:
 
--  By using the external Python package ``jenskpy`` we can derive these `optimum` breaks
-as such:
+-  By using the external Python package ``jenskpy`` we can derive these `optimum` breaks as such:
 
 .. code:: python
 
diff --git a/doc/user_guide/marks/line.rst b/doc/user_guide/marks/line.rst
index effab9fba..a56fe9353 100644
--- a/doc/user_guide/marks/line.rst
+++ b/doc/user_guide/marks/line.rst
@@ -115,7 +115,7 @@ We can further apply selection to highlight a certain line on hover.
     source = data.stocks()
 
     highlight = alt.selection(
-        type="single", on="mouseover", fields=["symbol"], nearest=True
+        type="point", on="mouseover", fields=["symbol"], nearest=True
     )
 
     base = alt.Chart(source).encode(
@@ -126,7 +126,7 @@ We can further apply selection to highlight a certain line on hover.
 
     points = base.mark_circle().encode(
         opacity=alt.value(0)
-    ).add_selection(
+    ).add_params(
         highlight
     ).properties(
         width=600
diff --git a/doc/user_guide/transform/pivot.rst b/doc/user_guide/transform/pivot.rst
index be725d63b..cfa80b49a 100644
--- a/doc/user_guide/transform/pivot.rst
+++ b/doc/user_guide/transform/pivot.rst
@@ -50,7 +50,7 @@ values on multiple lines:
    base = alt.Chart(source).encode(x='date:T')
    columns = sorted(source.symbol.unique())
    selection = alt.selection_point(
-       fields=['date'], nearest=True, on='mouseover', empty='none', clear='mouseout'
+       fields=['date'], nearest=True, on='mouseover', empty=False, clear='mouseout'
    )
 
    lines = base.mark_line().encode(y='price:Q', color='symbol:N')
diff --git a/pyproject.toml b/pyproject.toml
index c297a2156..714d8c21c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,5 +17,7 @@ exclude = '''
 '''
 
 [build-system]
-requires = ["setuptools >= 40.6.0", "wheel"]
+# Reason for setuptools version restriction to <64 can be found at
+# https://github.com/altair-viz/altair/pull/2758#issuecomment-1358091909
+requires = ["setuptools >= 40.6.0, <64", "wheel"]
 build-backend = "setuptools.build_meta"
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5383e908c..407aeda4b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -7,4 +7,4 @@ sphinx
 mistune<2.0.0  # necessary for m2r v0.2
 m2r
 vega_datasets
-recommonmark
+myst-parser
\ No newline at end of file
diff --git a/tools/generate_api_docs.py b/tools/generate_api_docs.py
index a70c3aa73..b454d56d1 100644
--- a/tools/generate_api_docs.py
+++ b/tools/generate_api_docs.py
@@ -97,7 +97,14 @@ def api_functions():
 
 
 def lowlevel_wrappers():
-    return sorted(iter_objects(alt.schema.core, restrict_to_subclass=alt.SchemaBase))
+    objects = sorted(iter_objects(alt.schema.core, restrict_to_subclass=alt.SchemaBase))
+    # The names of these two classes are also used for classes in alt.channels. Due to
+    # how imports are set up, these channel classes overwrite the two low-level classes
+    # in the top-level Altair namespace. Therefore, they cannot be imported as e.g.
+    # altair.Color (which gives you the Channel class) and therefore Sphinx won't
+    # be able to produce a documentation page.
+    objects = [o for o in objects if o not in ("Color", "Text")]
+    return objects
 
 
 def write_api_file():
diff --git a/tools/schemapi/utils.py b/tools/schemapi/utils.py
index d0b149f3f..ba5cbfbae 100644
--- a/tools/schemapi/utils.py
+++ b/tools/schemapi/utils.py
@@ -428,12 +428,21 @@ def indent_docstring(lines, indent_level, width=100, lstrip=True):
                 drop_whitespace=True,
             )
             for line in stripped.split("\n"):
-                if line == "":
+                line_stripped = line.lstrip()
+                line_stripped = fix_docstring_issues(line_stripped)
+                if line_stripped == "":
                     final_lines.append("")
-                elif line.startswith("* "):
-                    final_lines.extend(list_wrapper.wrap(line[2:]))
+                elif line_stripped.startswith("* "):
+                    final_lines.extend(list_wrapper.wrap(line_stripped[2:]))
+                # Matches lines where an attribute is mentioned followed by the accepted
+                # types (lines starting with a character sequence that
+                # does not contain white spaces or '*' followed by ' : ').
+                # It therefore matches 'condition : anyOf(...' but not '**Notes** : ...'
+                # These lines should not be wrapped at all but appear on one line
+                elif re.match(r"[^\s*]+ : ", line_stripped):
+                    final_lines.append(indent * " " + line_stripped)
                 else:
-                    final_lines.extend(wrapper.wrap(line.lstrip()))
+                    final_lines.extend(wrapper.wrap(line_stripped))
 
         # If this is the last line, put in an indent
         elif i + 1 == len(lines):
@@ -453,3 +462,30 @@ def indent_docstring(lines, indent_level, width=100, lstrip=True):
     if lstrip:
         wrapped = wrapped.lstrip()
     return wrapped
+
+
+def fix_docstring_issues(docstring):
+    # All lists should start with '*' followed by a whitespace. Fixes the ones
+    # which either do not have a whitespace or/and start with '-' by first replacing
+    # "-" with "*" and then adding a whitespace where necessary
+    docstring = re.sub(
+        r"^-(?=[ `\"a-z])",
+        "*",
+        docstring,
+        flags=re.MULTILINE,
+    )
+    # Now add a whitespace where an asterisk is followed by one of the characters
+    # in the square brackets of the regex pattern
+    docstring = re.sub(
+        r"^\*(?=[`\"a-z])",
+        "* ",
+        docstring,
+        flags=re.MULTILINE,
+    )
+
+    # Links to the vega-lite documentation cannot be relative but instead need to
+    # contain the full URL.
+    docstring = docstring.replace(
+        "types#datetime", "https://vega.github.io/vega-lite/docs/datetime.html"
+    )
+    return docstring