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bug#17862: 24.3; regexp-opt docstring is incorrect


From: Andreas Schwab
Subject: bug#17862: 24.3; regexp-opt docstring is incorrect
Date: Tue, 01 Jul 2014 09:16:45 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Glenn Morris <address@hidden> writes:

> immerrr again wrote:
>
>> Also, the doc omits that PAREN may be a string to use as an open-paren.
>
> That's a weird, old, "feature". I wonder what the point of that is?
>
> (regexp-opt '("ab" "ac") "G")   ->    "Ga[bc]\\)"

(regexp-opt '("ab" "ac") "\\(?:") => "\\(?:a[bc]\\)"

Andreas.

-- 
Andreas Schwab, SUSE Labs, address@hidden
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