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bug#2910: 23.0.60; Shell-script coloring bug

From: Reuben Thomas
Subject: bug#2910: 23.0.60; Shell-script coloring bug
Date: Mon, 6 Apr 2009 22:46:30 +0100 (BST)
User-agent: Alpine 2.00 (DEB 1167 2008-08-23)

In shell-script mode (at least for Shell-script[sh]), in the following line:

for i do

the token “do” is not colored as a keyword, which it should be. From
the relevant POSIX documentation:


The format for the for loop is as follows:

    for name [ in [word ... ]]do


Note that there is no explicit mention of semi-colons (this appears to
be the issue, as if the line is changed to

for i; do

then it is colored correctly, although in fact this syntax is NOT
permitted by POSIX, although bash accepts it.) A semi-colon is only
needed (and indeed, rqeuired) when an “in” clause is used, as the
“word” list mentioned above must end in a semicolon.

Hence, two things seem to need fixing:

1. In Shell-script[sh,bash] modes, “for name do” should color “do” as
   a keyword.

2. In Shell-script[sh], “for name; do” should *not* color “do” as a

In GNU Emacs (i486-pc-linux-gnu, GTK+ Version 2.14.3)
 of 2008-10-13 on rothera, modified by Debian
 (emacs-snapshot package, version 1:20081013-1)
Windowing system distributor `The X.Org Foundation', version 11.0.10600000
configured using `configure '--build' 'i486-linux-gnu' '--host' 'i486-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/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/23.0.60/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.0.60/site-lisp:/usr/share/emacs/site-lisp' '--with-x=yes' '--with-x-toolkit=gtk' 'build_alias=i486-linux-gnu' 'host_alias=i486-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_GB.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

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Listening to: 'Sanctus and Benedictus' from 'Mass of the Children and other
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