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Re: did syntax for setq auto-mode-alist or regexp change with 21.3.1?


From: Thien-Thi Nguyen
Subject: Re: did syntax for setq auto-mode-alist or regexp change with 21.3.1?
Date: Thu, 30 Jun 2005 23:00:43 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

"Tom" <tmarinus@yahoo.com> writes:

> This worked with emacs 20.7.1 on Linux
>
> (setq auto-mode-alist (cons
> `("makefile\\(\\.aix\\|\\.hp\\|\\.sol\\|\\.linux\\|\\.gcc\\)\\'".makefile-mode)
>
> Any ideas why the first form no longer works?

it is sufficient to add a space around the dot, and use a
forward-single-quote (instead of backtick), resulting in:

'("makefile\\(\\.aix\\|\\.hp\\|\\.sol\\|\\.linux\\|\\.gcc\\)\\'"
  . makefile-mode)

here, i added a newline and some more spaces as well -- how many
isn't as important as the presence of at least one.  this form
will work for both old and new emacs.  that the form w/o spaces
worked at all for old emacs is probably a fluke.

thi


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