GNU bug report logs - #59341
29.0.50; Lisp files with other encoding than UTF-8?

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Message #8 received at 59341 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Kangas <stefankangas <at> gmail.com>
Cc: 59341 <at> debbugs.gnu.org
Subject: Re: bug#59341: 29.0.50; Lisp files with other encoding than UTF-8?
Date: Thu, 17 Nov 2022 21:54:04 +0200

> From: Stefan Kangas <stefankangas <at> gmail.com>
> Date: Thu, 17 Nov 2022 11:38:46 -0800
> 
> I noticed that codespell was having trouble with one of our files
> (ethio-util.el), refusing to read it as UTF-8.  This lead to some
> unexpected and unwanted behavior.
> 
> So I took a closer look and found that several files in lisp/ appear to
> be use some other encoding than UTF-8:
> 
> $ cd lisp ; for f in $(git ls-files|egrep '.el$'); \
>     do file $f | grep -v UTF-8 | grep -v " ASCII" ; \
>   done ; cd -
> international/titdic-cnv.el: Lisp/Scheme program, Non-ISO
> extended-ASCII text, with LF, NEL line terminators
> language/ethio-util.el: Lisp/Scheme program, Non-ISO extended-ASCII
> text, with LF, NEL line terminators
> language/ethiopic.el: Lisp/Scheme program, Non-ISO extended-ASCII text
> language/ind-util.el: Lisp/Scheme program, Non-ISO extended-ASCII
> text, with LF, NEL line terminators
> language/tibet-util.el: Lisp/Scheme program, Non-ISO extended-ASCII
> text, with LF, NEL line terminators
> language/tibetan.el: Non-ISO extended-ASCII text, with LF, NEL line terminators
> leim/quail/ethiopic.el: Non-ISO extended-ASCII text, with LF, NEL line
> terminators
> leim/quail/tibetan.el: Lisp/Scheme program, Non-ISO extended-ASCII
> text, with LF, NEL line terminators
> 
> Should these files be converted to UTF-8?

No.  AFAIR, they are in utf-8-emacs because they include characters
beyond the Unicode range, which UTF-8 cannot encode.  See, for
example, the codepoints that start around line 645 in ind-util.el,
which are used for converting between IS 13194 (ISCII) and Unicode.

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