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bug#5140: shell mode color coding for bash

Subject: bug#5140: shell mode color coding for bash
From: meingbg
Date: Mon, 7 Dec 2009 09:17:25 +0100
Newsgroups: gnu.emacs.bug
When editing a bash script with nested " and ` marks the color coding gets confused, coloring most text as a string. Sample code to reproduce the color coding follows (this code is debugged and runs as expected, so syntax should be ok)


#!/bin/bash

function list-dir {
cat "$repo"/list
}

function init-repo {
mkdir -p "$repo"
touch "$repo"/list
}

function save-dir {
init-repo
dirname="`basename "$1"`"
dirhash="`dir-to-repo "$1"`"
saveline="$dirhash $dirname"
if [ "`grep -Fc "$saveline" "$repo"/list`" -gt "0" ]; then
echo "A directory with the same name and content is already in the repository."
exit
else
echo "$saveline" >> "$repo"/list
fi
}









In GNU Emacs 22.1.1 (x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2008-05-02 on king, modified by Ubuntu
Windowing system distributor `The X.Org Foundation', version 11.0.70000000
configured using `configure  '--build=x86_64-linux-gnu' '--host=x86_64-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs22:/etc/emacs:/usr/local/share/emacs/22.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/22.1/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/22.1/leim' '--with-x=yes' '--with-x-toolkit=athena' '--with-toolkit-scroll-bars' 'build_alias=x86_64-linux-gnu' 'host_alias=x86_64-linux-gnu' 'CFLAGS=-DDEBIAN -DSITELOAD_PURESIZE_EXTRA=5000 -g -O2' 'LDFLAGS=-g -Wl,--as-needed' 'CPPFLAGS=''

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

Major mode: Shell-script

Minor modes in effect:
  tooltip-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t

Recent input:
C-k C-k C-k <C-home> C-s f i l e - n a m e <backspace>
<right> <C-backspace> <C-backspace> b a s e n a m e
C-s C-s <right> <C-backspace> <C-backspace> b a s e
n a m e C-s C-s <right> <C-backspace> <C-backspace>
b a s e n a m e C-s C-s <right> <C-backspace> <C-backspace>
b a s e n a m e C-s C-s <C-home> C-s C-s C-s <C-home>
C-s C-g C-g C-s b a s C-g C-g <help-echo> <help-echo>
<help-echo> <C-home> C-s b a s e C-s C-s C-s C-s <down>
<C-home> <C-end> <up> <C-end> <C-end> <right> <right>
<backspace> <C-end> <C-end> <return> C-x C-s <down>
<down> <up> <up> <down> <down> <down> <down> <down>
<down> <up> <C-home> <down> <down> <down> <down> <down>
<down> <down> <up> <up> <up> <up> <up> <down-mouse-1>
<mouse-movement> <mouse-movement> <drag-mouse-1> C-w
C-k C-x C-s <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <up> <up> <up>
<up> <up> <help-echo> <help-echo> <help-echo> <help-echo>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<up> <up> M-x r e p o r t - e m a <tab> <return>

Recent messages:
Quit [4 times]
Mark set
Mark saved where search started
Mark set [4 times]
call-interactively: End of buffer [2 times]
Mark set [2 times]
Wrote /sr/path/store
Mark set
Wrote /sr/path/store
Loading emacsbug...done

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