GNU bug report logs - #46859
28.0.50; [PATCH]: Add option to truncate long lines in xref.el

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Message #173 received at 46859 <at> debbugs.gnu.org (full text, mbox):

From: Gregory Heytings <gregory <at> heytings.org>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: 46859 <at> debbugs.gnu.org
Subject: Re: bug#46859: 28.0.50; [PATCH]: Add option to truncate long lines
 in xref.el
Date: Sat, 06 Mar 2021 22:55:22 +0000

>
> Ah, ok. If ripgrep can do this as well, it would be more general (a good 
> thing).
>

Yes, indeed.

>
> Note that it mentions the following in the description of its -b 
> argument:
>
>  If ripgrep does transcoding, then the byte offset is in terms of the
>  the result of transcoding and not the original data. This applies
>  similarly to another transformation on the source, such as
>  decompression or a --pre filter. Note that when the PCRE2 regex engine
>  is used, then UTF-8 transcoding is done by default.
>

As the manpage mentions, this transcoding is done by default _only_ when 
the PCRE2 regex engine is used, that is, when ripgrep was built with PCRE2 
(the Debian package for example is built without PCRE2) and when the 
--pcre2 flag is passed.  And even in that case it is possible to disable 
the transcoding with --no-encoding.

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