Subject: Re: bug#34641: rx: (or ...) order unpredictable

From: "Basil L. Contovounesios" <[email-masked]>
Date: Sun, 24 Feb 2019 22:44:57 +0000

Mattias Engdegård <[email-masked]> writes:

> Is there a preferred or particularly clever never-matching regexp?
> If not, would \(?:$\)A do?

FWIW, CC Mode has used "a\\`" since the following discussion:

https://lists.gnu.org/archive/html/emacs-devel/2018-03/msg00876.html

Stefan also suggested to make a variable out of this, but I don't think
anything came of that:

https://lists.gnu.org/archive/html/emacs-devel/2018-04/msg00047.html

-- 
Basil