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Re: "Text is read-only"... except it isn't... or shouldn't be


From: Eli Zaretskii
Subject: Re: "Text is read-only"... except it isn't... or shouldn't be
Date: Wed, 15 May 2013 10:28:55 +0300

> From: Kevin Rodgers <kevin.d.rodgers@gmail.com>
> Date: Tue, 14 May 2013 23:17:44 -0600
> 
> 1. Because the default value of magic-mode-alist is nil.
> 
> 2. Because the default value of auto-mode-alist matches the ".gif" extension.
> 
> 3. Because it is not obvious what the signature is for a text file -- perhaps
>     something like "\\`[[:print:]\t\f\r\n]", which is so general that it would
>     prevent most of the existing automatic method from working.
> 
> See the "Choosing Modes" section of the Emacs manual.

If the request is that any *.gif file whose signature doesn't match be
rejected by image-mode, then I suggest to file a feature request bug
using "M-x report-emacs-bug RET".



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