bad syntax highlighting in shell-script mode

[Chris Moore]

Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.

Your bug report will be posted to the address@hidden mailing
list.

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


I saved the following into a file called script.sh and then visited
the file.  The "echo a backquote" comment was coloured as if it was a
string, as was the rest of the file after the comment:

------------------------------------------------------------------------
#!/bin/sh
echo "\`"                       # echo a backquote
echo hello
echo hello
echo hello
echo "hello"
------------------------------------------------------------------------

I changed the file, removing the last 2 double quotes, and re-visited
the file.  The comment was then coloured correctly, as was the rest of
the file:

------------------------------------------------------------------------
#!/bin/sh
echo "\`"                       # echo a backquote
echo hello
echo hello
echo hello
echo hello
------------------------------------------------------------------------

It seems that the presence of double quotes in the file after the \`
breaks highlighting.



If emacs crashed, and you have the emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/local/share/emacs/22.0.50/etc/DEBUG for instructions.


In GNU Emacs 22.0.50.132 (i686-pc-linux-gnu, GTK+ Version 2.8.18)
 of 2006-07-10 on chrislap
X server distributor `The X.Org Foundation', version 11.0.70000000
configured using `configure '--with-gtk' '--with-xpm' '--with-jpeg'
'--with-png' '--with-gif''

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_GB.UTF-8
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

Major mode: Shell-script

Minor modes in effect:
  show-paren-mode: t
  display-time-mode: t
  iswitchb-mode: t
  dynamic-completion-mode: t
  shell-dirtrack-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t