Re: modern regexes in emacs

[Eli Zaretskii]

> From: Mattias Engdegård <address@hidden>
> Date: Fri, 15 Feb 2019 19:43:15 +0100
> Cc: Alan Mackenzie <address@hidden>,
>         Elias Mårtenson <address@hidden>,
>         address@hidden, address@hidden, address@hidden,
>         address@hidden
> 
> 15 feb. 2019 kl. 19.36 skrev Eli Zaretskii <address@hidden>:
> > 
> > I proposed to have a separate set of functions that will accept PCRE
> > syntax.  That would allow everyone to have what they want: you to use
> > the "classic" regexps, and those who want PCRE to have that.  Where's
> > the problem with that?
> 
> If I read the petitioners correctly, they want a global setting that
> permits them to type a(b|c) instead of a\(b\|c\) in
> isearch-forward-regexp and all other interactive commands.

That is not going to happen any time soon, because it will break gobs
of Emacs code.  I don't see anyone proposing that, because they all
understand the impossible implications.