shell-mode font-lock for here documents

[Reiner Steib]

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

Save the following lines to "/tmp/EOF-font-lock.sh" and start emacs:

$ emacs-cvs -Q -f global-font-lock-mode /tmp/EOF-font-lock.sh

--8<---------------cut here---------------start------------->8---
#!/bin/bash
cat <<EOF|xmodmap -
  keysym 2     = 2 at           twosuperior
EOF

# Everything below is in sh-heredoc-face ...

if true; then
  false
fi
--8<---------------cut here---------------end--------------->8---

Everything starting from "keysym" is in `sh-heredoc-face'.  When I
change "cat <<EOF|xmodmap -" to "cat <<EOF |xmodmap -" (i.e. adding a
space before the pipe, it is fontified correctly.

Bye, Reiner.

Settings follow...

In GNU Emacs 21.3.50.5 (x86_64-unknown-linux-gnu, GTK+ Version 2.4.9)
 of 2005-01-13 on bridgekeeper
Distributor `The X.Org Foundation', version 11.0.60801000
configured using `configure '--prefix=/import/xtra/emacs/HEAD' '--with-gtk' 
'--exec-prefix=/import/xtra/emacs/HEAD-x86_64''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: POSIX
  value of $LC_CTYPE: address@hidden
  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-9
  default-enable-multibyte-characters: t

Major mode: Shell-script

Minor modes in effect:
  mouse-wheel-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  line-number-mode: t
  transient-mark-mode: identity

Recent input:
<down-mouse-1> <mouse-movement> <mouse-movement> <drag-mouse-1> 
M-x r e p <tab> <left> <end> o <tab> r <tab> <retu
rn>

Recent messages:
Loading sh-script...done
Setting up indent for shell type bash
Loading regexp-opt...done
setting up indent stuff
Indentation variable are now local.
Indentation setup for shell type bash
Making completion list...
Loading help-mode...done
Making completion list...
Loading emacsbug...done