GNU bug report logs - #71879
30.0.60; Docstring error in NOERROR argument part of re-search-forward

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From: Gerard Vermeulen <gerard.vermeulen <at> posteo.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 71879 <at> debbugs.gnu.org
Subject: bug#71879: 30.0.60; Docstring error in NOERROR argument part of re-search-forward
Date: Mon, 01 Jul 2024 17:48:18 +0000

On 01.07.2024 19:30, Eli Zaretskii wrote:
>> Date: Mon, 01 Jul 2024 16:13:38 +0000
>> From: Gerard Vermeulen <gerard.vermeulen <at> posteo.net>
>> 
>> Hello,
>> 
>> The last "if" clause in the NOERROR part of the re-search-forward
>> docstring
>> is wrong.
>> 
>> It reads "if it is neither nil nor t, move to the limit of search and
>> return nil."
>> 
>> but if NOERROR equals neither nil nor t re-search-forward returns
>> the start position of the match (when found) or nil (when no match
>> found).
> 
> The full text of that part is as follows:
> 
>   The optional third argument NOERROR indicates how errors are handled
>     when the search fails.  If it is nil or omitted, emit an error; if
>     it is t, simply return nil and do nothing; if it is neither nil nor
>     t, move to the limit of search and return nil.
> 
> Note the first sentence of the paragraph: this entire paragraph
> describes how NOERROR affects the case when the search _fails_.  Thus,
> the situation where the search succeeds is not relevant to the above
> part of the doc string.
> 
> So I think this text is accurate and correct.
> 
Yes, I agree that the paragraph can be read like this.

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