shell mode syntax higlighting problem with here documents

[Nicholas Sushkin]

This bug report will be sent to the Free Software Foundation,
not to your local site managers!
Please write in English, because the Emacs maintainers do not have
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Your bug report will be posted to the bug-gnu-emacs@gnu.org mailing list,
and to the gnu.emacs.bug news group.

In GNU Emacs 21.3.1 (i386-redhat-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2005-02-04 on bugs.build.redhat.com
configured using `configure  --build=i386-redhat-linux --host=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-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.UTF-8
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

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

In the following shell script, the shell script mode syntax highlighting is 
broken.

#!/bin/bash
cat << EOF | \
    tee -a bug.txt

This is a test case for a bug in bash shell mode text highlighting
EOF
echo "Highlighting is screwed up now"
if [ 1 = 1 ]
then
  echo "screwed up"
fi



Recent input:
<down> <down> <up> s c r e w e d SPC u p " <return> 
f i <return> C-x 4 b C-g C-x s <up> <up> <up> <up> 
<up> <up> <up> <up> <up> <up> <up> <up> <return> <S-up> 
<down> <up> # @ <S-backspace> ! / b i n / b a s h C-x 
s <down> <down> <down> <down-mouse-1> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <drag-mouse-1> <down-mouse-1> 
<mouse-1> <down-mouse-1> <mouse-1> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <menu-bar> <help-menu> 
<report-emacs-bug>

Recent messages:
Indentation setup for shell type bash
Mark set [3 times]
Auto-saving...done
Wrote /tmp/bug.sh
Quit
Wrote /tmp/bug.sh
line-move: Beginning of buffer [2 times]
Mark set
Wrote /tmp/bug.sh
Loading emacsbug...done