From 0ae65b82974996193f6d00b93afb68c661b50063 Mon Sep 17 00:00:00 2001
From: Guillaume Ayoub <guillaume@courtbouillon.org>
Date: Mon, 24 Jan 2022 16:11:18 +0100
Subject: [PATCH] Layout positioned boxes in page margins

Fix #1540.
---
 tests/layout/test_page.py | 1 -
 weasyprint/layout/page.py | 9 +++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/tests/layout/test_page.py b/tests/layout/test_page.py
index 5366999832..36e9a026fe 100644
--- a/tests/layout/test_page.py
+++ b/tests/layout/test_page.py
@@ -1362,7 +1362,6 @@ def test_running_img():
     ''')
 
 
-@pytest.mark.xfail
 @assert_no_logs
 def test_running_absolute():
     # Test regression: https://github.com/Kozea/WeasyPrint/issues/1540
diff --git a/weasyprint/layout/page.py b/weasyprint/layout/page.py
index 7990d58170..90f0d8d989 100644
--- a/weasyprint/layout/page.py
+++ b/weasyprint/layout/page.py
@@ -433,11 +433,16 @@ def make_box(at_keyword, containing_block):
 
 def margin_box_content_layout(context, page, box):
     """Layout a margin box’s content once the box has dimensions."""
+    positioned_boxes = []
     box, resume_at, next_page, _, _ = block_container_layout(
         context, box, bottom_space=-float('inf'), skip_stack=None,
-        page_is_empty=True, absolute_boxes=[], fixed_boxes=[],
-        adjoining_margins=None, discard=False)
+        page_is_empty=True, absolute_boxes=positioned_boxes,
+        fixed_boxes=positioned_boxes, adjoining_margins=None, discard=False)
     assert resume_at is None
+    for absolute_box in positioned_boxes:
+        absolute_layout(
+            context, absolute_box, box, positioned_boxes, bottom_space=0,
+            skip_stack=None)
 
     vertical_align = box.style['vertical_align']
     # Every other value is read as 'top', ie. no change.