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bug#34641: rx: (or ...) order unpredictable
From: |
Mattias Engdegård |
Subject: |
bug#34641: rx: (or ...) order unpredictable |
Date: |
Sun, 24 Feb 2019 22:18:28 +0100 |
24 feb. 2019 kl. 20.06 skrev Eli Zaretskii <eliz@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
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