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Fix inline HTML case #1649

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Merged
waylan merged 2 commits into from
Oct 3, 2026
Merged

Fix inline HTML case #1649

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f5a637c
Fix inline HTML case
facelessuser Oct 3, 2026
dcc4efb
Lint fix
facelessuser Oct 3, 2026
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1 change: 1 addition & 0 deletions docs/changelog.md
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Expand Up @@ -16,6 +16,7 @@ See the [Contributing Guide](contributing.md) for details.

* Update serializer to be non-recursive (#1644).
* Improve ancestor handling in the inline `Treeprocessor` (#1646).
* Fix issue where inline HTML attributes were rejected if they had `<` or `>` in the attribute (#1647).

## [3.11.0] - 2026-09-25

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12 changes: 8 additions & 4 deletions markdown/inlinepatterns.py
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Expand Up @@ -159,10 +159,14 @@ def build_inlinepatterns(md: Markdown, **kwargs: Any) -> util.Registry[InlinePro
""" Match an automatic email link (`<me@example.com>`). """

HTML_RE = (
r'(<(\/?[a-zA-Z][^<>@ ]*( [^<>]*)?|' # Tag
r'!--(?:(?!<!--|-->).)*--|' # Comment
r'[?](?:(?!<[?]|[?]>).)*[?]|' # Processing instruction
r'!\[CDATA\[(?:(?!<!\[CDATA\[|\]\]>).)*\]\]' # `CDATA`
# Tag
r'''(<(\/?+[a-zA-Z][^\s"'<>@]*+(?:\s+[^\s"'=<>]++(?:\s*+=\s*+(?:"[^"]*+"|'[^']*+'|[^\s"'=<>]++))?+)*+\s*+/?|'''
# Comment
r'!--(?:(?!<!--|-->).)*--|'
# Processing instruction
r'[?](?:(?!<[?]|[?]>).)*[?]|'
# `CDATA`
r'!\[CDATA\[(?:(?!<!\[CDATA\[|\]\]>).)*\]\]'
')>)'
)
""" Match an HTML tag (`<...>`). """
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7 changes: 7 additions & 0 deletions tests/test_syntax/inline/test_raw_html.py
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Expand Up @@ -40,3 +40,10 @@ def test_markdown_nested_in_inline_comment(self):
'Example: <!-- [**Bold link**](http://example.com) -->',
'<p>Example: <!-- <a href="http://example.com"><strong>Bold link</strong></a> --></p>'
)

def test_angle_brackets_in_attributes(self):
# https://github.com/Python-Markdown/markdown/issues/1647
self.assertMarkdownRenders(
'<span data-tip-txt="<kbd>Ctrl</kbd>">Anything</span>',
'<p><span data-tip-txt="<kbd>Ctrl</kbd>">Anything</span></p>'
)
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