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bug#7172: emacs 23.2; xml.el: xml-parse-file hangs when DOCTYPE element


From: Chong Yidong
Subject: bug#7172: emacs 23.2; xml.el: xml-parse-file hangs when DOCTYPE element names contain _ (underscore)
Date: Sun, 01 Jul 2012 18:59:32 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux)

Jose Marino <address@hidden> writes:

> In a DOCTYPE construction, whenever there's an ELEMENT name with an
> underscore in its name, function xml-parse-file makes emacs become
> unresponsive and use 100% cpu. Emacs recovers nicely with C-g but no
> error is printed.
>
> $ cat example-bad.xml
> <?xml version="1.0" encoding="utf-8"?>
> <!DOCTYPE EXAMPLE [
>    <!ELEMENT EXAM_PLE EMPTY>
> ]>
> <EXAM_PLE>
> </EXAM_PLE>

This is fixed in trunk.  Thanks for the bug report.





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