GNU bug report logs - #97
regression in Emacs 22 recognizing Tcl mode

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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: "William B. Parsons" <wbparsons <at> alum.mit.edu>
To: bug-gnu-emacs <at> gnu.org
Subject: regression in Emacs 22 recognizing Tcl mode
Date: Sat, 29 Mar 2008 10:46:08 -0400 (EDT)

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
translators to read other languages for them.

Your bug report will be posted to the bug-gnu-emacs <at> gnu.org mailing list,
and to the gnu.emacs.bug news group.

In GNU Emacs 21.3.1 (i386--freebsd, X toolkit, Xaw3d scroll bars)
 of 2006-03-16 on gohan31.freebsd.org
configured using `configure  --x-libraries=/usr/X11R6/lib --x-includes=/usr/X11R6/include --prefix=/usr/local i386--freebsd'
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: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t

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

The following valid Tcl script is recognized automatically as Tcl mode
under Emacs 21 but as shell mode under Emacs 22:

------
isis% cat test.tcl
#!/bin/sh
#\
exec tclsh "$0" ${1+"$@"}
puts test
------

i.e., the shebang overrides the .tcl extension in determining programming
mode.

Message #10 received at 97 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Chong Yidong <cyd <at> stupidchicken.com>
To: "William B. Parsons" <wbparsons <at> alum.mit.edu>,
        97 <at> debbugs.gnu.org
Subject: Re: regression in Emacs 22 recognizing Tcl mode
Date: Sat, 05 Apr 2008 18:03:46 -0400

  The following valid Tcl script is recognized automatically as Tcl mode
  under Emacs 21 but as shell mode under Emacs 22:

  #!/bin/sh
  exec tclsh "$0" ${1+"$@"}
  puts test

  i.e., the shebang overrides the .tcl extension in determining
  programming mode.

If the shebang specified /bin/tcl, it would be recognized as a Tcl file.
In ambiguous situations like this, it's better to use a `-*-' line or
local variables list (see the node "Choosing Modes" in the Emacs
manual).

Message #15 received at 97-close <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Chong Yidong <cyd <at> stupidchicken.com>
To: 97-close <at> debbugs.gnu.org
Subject: Re: regression in Emacs 22 recognizing Tcl mode
Date: Mon, 07 Apr 2008 21:17:10 -0400

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