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From: Eli Zaretskii <eliz@gnu.org>
To: "Mattias Engdegård" <mattiase@acm.org>
Cc: emacs-devel@gnu.org
Subject: Re: Returning argument string (regexp-quote)
Date: Tue, 24 Sep 2019 19:20:09 +0300	[thread overview]
Message-ID: <83sgoloedi.fsf@gnu.org> (raw)
In-Reply-To: <A90CD4DB-8798-439E-AC8E-7EFE2CF4CEDF@acm.org> (message from Mattias Engdegård on Tue, 24 Sep 2019 13:28:15 +0200)

> Feedback-ID: mattiase@acm.or
> From: Mattias Engdegård <mattiase@acm.org>
> Date: Tue, 24 Sep 2019 13:28:15 +0200
> 
> More generally, do we need to preserve allocation for functions not specifically documented to return new strings? I can imagine there being code that depend on it by accident, but string mutation is rare.

I think the benefits from such general changes are barely tangible,
whereas the risk of breaking someone's (perhaps even ours) code are
real.  So I don't think we should do that, not in general.



  parent reply	other threads:[~2019-09-24 16:20 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-24 11:28 Returning argument string (regexp-quote) Mattias Engdegård
2019-09-24 11:49 ` Andreas Schwab
2019-09-24 16:20 ` Eli Zaretskii [this message]
2019-09-24 17:44   ` Mattias Engdegård
2019-09-24 18:24     ` Paul Eggert
2019-09-24 19:47     ` Eli Zaretskii
2019-09-25 13:41       ` Mattias Engdegård
2019-09-25 15:08         ` Eli Zaretskii
2019-09-25 19:55           ` Compilation failure on macOS 10.15 Catalina Zach Pearson
2019-09-25 20:29             ` mituharu
2019-09-25 21:55               ` Zach Pearson
2019-09-25 22:47                 ` mituharu
2019-09-25 23:07                   ` Zach Pearson
2019-09-25 23:39                     ` mituharu
2019-09-27 23:22                     ` chad
2019-10-02  3:59                       ` Zach Pearson
2019-10-02  4:04                         ` YAMAMOTO Mitsuharu
2019-10-02  4:34                           ` Zach Pearson
2019-10-02  4:42                             ` YAMAMOTO Mitsuharu
2019-10-02  4:43                               ` Zach Pearson
2019-10-02  5:00                                 ` YAMAMOTO Mitsuharu
2019-10-02  5:07                                   ` Zach Pearson
2019-10-02  7:43                                   ` Zach Pearson
2019-10-02 15:15                                     ` Xu Xin
2019-09-26  8:34             ` Robert Pluim
2019-09-26 16:05               ` Zach Pearson
2019-09-26 21:00                 ` mituharu

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