[3.11] gh-135661: Fix CDATA section parsing in HTMLParser (GH-135665) (GH-137774) #139659
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…onGH-135665) (pythonGH-137774) "] ]>" and "]] >" no longer end the CDATA section. Make CDATA section parsing context depending. Add private method HTMLParser._set_support_cdata() to change the context. If called with True, "<[CDATA[" starts a CDATA section which ends with "]]>". If called with False, "<[CDATA[" starts a bogus comments which ends with ">". (cherry picked from commit 0cbbfc4) (cherry picked from commit dcf2476) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
ezio-melotti
approved these changes
Oct 6, 2025
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"] ]>" and "]] >" no longer end the CDATA section.
Make CDATA section parsing context depending.
Add private method HTMLParser._set_support_cdata() to change the context.
If called with True, "<[CDATA[" starts a CDATA section which ends with "]]>".
If called with False, "<[CDATA[" starts a bogus comments which ends with ">".
(cherry picked from commit 0cbbfc4)
(cherry picked from commit dcf2476)
Co-authored-by: Serhiy Storchaka storchaka@gmail.com