GNU bug report logs - #24353
25.1.1: looking-back wrong info

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Message #30 received at 24353 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Drew Adams <drew.adams <at> oracle.com>, Eli Zaretskii <eliz <at> gnu.org>,
 Andreas Röhler <andreas.roehler <at> easy-emacs.de>
Cc: 24353 <at> debbugs.gnu.org
Subject: Re: bug#24353: 25.1.1: looking-back wrong info
Date: Fri, 2 Sep 2016 23:10:02 +0300

On 02.09.2016 20:51, Drew Adams wrote:

> How does this change help Emacs users?

It forces Emacs Lisp programmers to include the last argument, thus 
making their code likely faster. Users like faster programs.

> If it is so important that people provide LIMIT then spell
> that out _explicitly_ in the doc as a recommendation.

That's very easy to miss. And like Eli said, the choice was between this 
and _actually_ changing the signature. I imagine you would like the 
latter choice even less.

> It
> should be a no-no to just change the advertized signature of
> a function, without changing the actual signature (code) and
> without otherwise changing the doc.

You have some point there, but mentioning the last argument in the 
docstring would be rather awkward, considering it's absent in the 
advertised signature.

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