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bug#41766: Make it possible to change regexp to identify and highlight g


From: Eli Zaretskii
Subject: bug#41766: Make it possible to change regexp to identify and highlight grep matches via customization
Date: Tue, 09 Jun 2020 17:43:43 +0300

> From: "Basil L. Contovounesios" <contovob@tcd.ie>
> Date: Tue, 09 Jun 2020 12:55:25 +0100
> Cc: "41766@debbugs.gnu.org" <41766@debbugs.gnu.org>,
>  Dmitry Gutov <dgutov@yandex.ru>, Juri Linkov <juri@linkov.net>
> 
> I wonder, though: the default value matches some quite obscure codes
> which aren't (and maybe shouldn't be) documented, so is a defcustom
> really suitable for this?

They are SGR escape sequences that Grep emits to color its output.  We
should probably mention that in the doc string.





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