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

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From: Mattias Engdegård <mattiase <at> acm.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 34641 <at> debbugs.gnu.org
Subject: bug#34641: rx: (or ...) order unpredictable
Date: Sun, 24 Feb 2019 22:18:28 +0100

[Message part 1 (text/plain, inline)]

24 feb. 2019 kl. 20.06 skrev Eli Zaretskii <eliz <at> gnu.org>:
> 
> Your preferred solution is fine with me, FWIW.

Thank you; patch attached.

>> (Speaking of regexp-opt, it has another bug that does not affect rx: it returns the empty string if given an empty list of strings. The correct return value is a regexp that never matches anything. Fix it, document it, or turn it into an error?)
> 
> Fix it, I think.

I'll prepare another patch. Is there a preferred or particularly clever never-matching regexp? If not, would \(?:$\)A do?

[0001-rx-fix-or-ordering-by-adding-argument-to-regexp-opt.patch (application/octet-stream, attachment)]

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