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[3.14] gh-135661: Fix parsing attributes with whitespaces around the "=" separator in HTMLParser (GH-136908) (#136927)

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Serhiy Storchaka 2025-07-21 21:34:24 +03:00 • committed by GitHub
parent fa9a369044
commit 893707c538
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4 changed files with 21 additions and 15 deletions
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Lib/html/parser.py
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@ -45,7 +45,7 @@
(
(?<=['"\t\n\r\f /])[^\t\n\r\f />][^\t\n\r\f /=>]* # attribute name
)
(= # value indicator
([\t\n\r\f ]*=[\t\n\r\f ]* # value indicator
('[^']*' # LITA-enclosed value
|"[^"]*" # LIT-enclosed value
|(?!['"])[^>\t\n\r\f ]* # bare value
@ -57,7 +57,7 @@
[a-zA-Z][^\t\n\r\f />]* # tag name
[\t\n\r\f /]* # optional whitespace before attribute name
(?:(?<=['"\t\n\r\f /])[^\t\n\r\f />][^\t\n\r\f /=>]* # attribute name
(?:= # value indicator
(?:[\t\n\r\f ]*=[\t\n\r\f ]* # value indicator
(?:'[^']*' # LITA-enclosed value
|"[^"]*" # LIT-enclosed value
|(?!['"])[^>\t\n\r\f ]* # bare value