GNU bug report logs - #34641
rx: (or ...) order unpredictable

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From: "Basil L. Contovounesios" <contovob <at> tcd.ie>
To: Mattias Engdegård <mattiase <at> acm.org>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 34641 <at> debbugs.gnu.org
Subject: bug#34641: rx: (or ...) order unpredictable
Date: Sun, 24 Feb 2019 22:44:57 +0000

Mattias Engdegård <mattiase <at> acm.org> 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

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