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bug#19393: 25.0.50; Emacs cannot determine coding system of ISO-8859 enc
bug#19393: 25.0.50; Emacs cannot determine coding system of ISO-8859 encoded files
Tue, 16 Dec 2014 18:20:25 +0200
> Date: Tue, 16 Dec 2014 18:05:38 +0200
> From: Eli Zaretskii <firstname.lastname@example.org>
> Cc: email@example.com
> > From: Tassilo Horn <firstname.lastname@example.org>
> > Date: Tue, 16 Dec 2014 16:21:10 +0100
> > ftp://ftp.fu-berlin.de/pub/misc/movies/database/movies.list.gz
> > which contains all movies known to the international movie database
> > (IMDb.com). When I open that file using "emacs -Q movies.list.gz" (or
> > unzip it first) and then do M-x describe-coding-system I can see that it
> > is "t -- raw-text-unix". As a result of this, the last movie in that
> > file is displayed as "\374\347 (2012) 2012".
> > However, according to the `file' command, the file is plain ISO-8859.
> Looks like some kind of bug, although with such a large file, it's not
> easy to be sure.
Actually, I don't think this is a bug. There are ISO-8859-15
characters in that file that are not part of ISO-8859-1, so Emacs will
not detect that encoding unless either (a) your locale dictates that
encoding, or (b) you change the preferences to prefer ISO-8859-15.
This is so with any 8-bit encoding -- EMacs cannot easily distinguish
between them, and needs some guidance.