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Re: Automatic recognition of some specific coding systems

From: Eli Zaretskii
Subject: Re: Automatic recognition of some specific coding systems
Date: Sat, 28 Feb 2015 18:55:46 +0200

> From: Jürgen Hartmann <address@hidden>
> Date: Thu, 26 Feb 2015 23:34:05 +0100
> >   . Similarly, if the cp850 files' contents match some common regexp,
> >     you can customize auto-coding-regexp-alist to force their decoding
> >     by cp850
> That one might do the trick: In my case the only files (at least in
> the big picture) that use the DOS EOL variant are those encoded with
> cp850 and vice versa. So one could think about a regular expression
> that matches this unique EOL pattern.

A more reliable test might be characters whose codepoints are between
128 and 159: those should generally be absent from ISO-8859 encodings.
(Emacs doesn't use this fact for good reasons, but in your specific
case those reasons should not matter, I think.)

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