Staging for 3.1.0a1 release

CHANGES

@@ -2,8 +2,8 @@
 Change Log
 ==========
 
-Version 3.1.0 - (in development)
----------------------------------
+Version 3.1.0a1 - March, 2023
+-----------------------------
 NOTE: In the future release 3.2.0, use of many of the pre-PEP8 methods (such as
 `ParserElement.parseString`) will start to raise `DeprecationWarnings`. 3.2.0 should
 get released some time later in 2023. I currently plan to completely
@@ -12,6 +12,8 @@ at least late 2023 if not 2024. So there is plenty of time to convert existing p
 the new function names before the old functions are completely removed. (Big
 help from Devin J. Pohly in structuring the code to enable this peaceful transition.)
 
+Version 3.2.0 will also discontinue support for Python versions 3.6 and 3.7.
+
 - API ENHANCEMENT: `Optional(expr)` may now be written as `expr | ""`
 
   This will make this code:
@@ -63,7 +65,7 @@ help from Devin J. Pohly in structuring the code to enable this peaceful transit
   that creates a sequence of `Literals`, `Keywords`, or other `ParserElement`
   subclasses.
 
-  For instance, to define suppressable punctuation, you would previously
+  For instance, to define suppressible punctuation, you would previously
   write:
 
       LPAR, RPAR, LBRACE, RBRACE, SEMI = map(Suppress, "(){};")

pyparsing/__init__.py

@@ -121,7 +121,7 @@ def __repr__(self):
 
 
 __version_info__ = version_info(3, 1, 0, "alpha", 1)
-__version_time__ = "07 Mar 2023 06:50 UTC"
+__version_time__ = "08 Mar 2023 01:10 UTC"
 __version__ = __version_info__.__version__
 __versionTime__ = __version_time__
 __author__ = "Paul McGuire <ptmcg.gm+pyparsing@gmail.com>"