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font-lock mode hangs on certain input


From: Alan Donovan
Subject: font-lock mode hangs on certain input
Date: Thu, 4 Sep 2003 12:02:37 -0400
User-agent: Mutt/1.2.5.1i

This bug report will be sent to the Free Software Foundation,
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Please write in English, because the Emacs maintainers do not have
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In GNU Emacs 21.2.1 (i386-redhat-linux-gnu, X toolkit, Xaw3d scroll
bars)
 of 2003-02-20 on porky.devel.redhat.com
configured using `configure  --host=i386-redhat-linux
--build=i386-redhat-linux --target=i386-redhat-linux-gnu
--program-prefix= --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin
--sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share
--includedir=/usr/include --libdir=/usr/lib --libexecdir=/usr/libexec
--localstatedir=/var --sharedstatedir=/usr/com --mandir=/usr/share/man
--infodir=/usr/share/info --with-gcc --with-pop --with-sound'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:



Hi.  Loading the text file in the attached gzip file deterministically
causes my emacs to hang.  Even (keyboard-quit) won't interrupt it. A
quick look with gdb suggests it's the regexp code that's at fault.
I've trimmed the file down to something close to the minimal
fault-revealing sequence.

Let me know if you need more info.

cheers
alan

Attachment: emacsbug2.gz
Description: GNU Zip compressed data


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