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* bug#17333: sh-mode: File local variables for setting shell variant
@ 2014-04-24  0:40 Ben Finney
  2014-04-29 14:21 ` Glenn Morris
  0 siblings, 1 reply; 6+ messages in thread
From: Ben Finney @ 2014-04-24  0:40 UTC (permalink / raw)
  To: 17333

Package: emacs
Version: 24.3.1
Severity: normal

Howdy,

The ‘sh-mode’ appears to have no means for allowing a non-executable
file to declare, in its local variables, the shell variant to use for
syntax.

Emacs allows me to specify that a shell include file should be opened
in sh mode, by setting a local variable in the editor hints::

    # Local variables:
    # coding: utf-8
    # mode: sh
    # End:
    # vim: fileencoding=utf-8 filetype=bash :

I can specify to Vim that the file's shell variant is specifically
Bash, and it obeys the editor hint to present specific Bash syntax
highlighting. But Emacs has ‘sh’ mode which covers all shell variants.

The ‘sh’ mode will properly interpret such a file if it has a shebang
line (e.g. #! /bin/bash). But some files are not stand-alone programs,
so I do not want those to have a shebang line.

Emacs ‘sh’ mode treats those files as Posix shell syntax, which they
are not. ‘sh’ mode has the concept of “variant” of shell syntax; but
I'm unable to find out how to specify, in the file's editor hints,
which variant to use for the file.

How can I set the Emacs editor hints in the file such that, when the
file is opened, ‘sh’ mode knows that its syntax is Bash, or Zsh, etc.?

-- 
 \       “If consumers even know there's a DRM, what it is, and how it |
  `\     works, we've already failed.” —Peter Lee, Disney corporation, |
_o__)                                                             2005 |
Ben Finney <ben@benfinney.id.au>





^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2014-05-22 20:42 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-04-24  0:40 bug#17333: sh-mode: File local variables for setting shell variant Ben Finney
2014-04-29 14:21 ` Glenn Morris
2014-04-29 15:40   ` Stefan Monnier
2014-04-30  1:17     ` Ben Finney
2014-05-22 20:42     ` Glenn Morris
2014-04-30  1:01   ` Ben Finney

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