GNU bug report logs - #47712
27.1; Provide `string-display-width` function, which takes properties into account, `substring-width`

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Package: emacs;

Reported by: Daniel Mendler <mail <at> daniel-mendler.de>

Date: Sun, 11 Apr 2021 21:17:02 UTC

Severity: normal

Found in version 27.1

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Daniel Mendler <mail <at> daniel-mendler.de>
Cc: 47712 <at> debbugs.gnu.org
Subject: bug#47712: 27.1; Provide `string-display-width` function, which takes properties into account, `substring-width`
Date: Mon, 12 Apr 2021 20:09:08 +0300

> Cc: 47712 <at> debbugs.gnu.org
> From: Daniel Mendler <mail <at> daniel-mendler.de>
> Date: Mon, 12 Apr 2021 16:36:05 +0200
> 
> One may still discuss the implementation of a 
> `substring-width` API which generalizes `string-width`.
> 
> (defun string-width (s)
>    (substring-width s 0 (length s)))
> 
> (defun substring-width (s a b)
>    (string-width (substring s a b)))

Why not simply extend string-width to accept 2 optional arguments?
This bug report was last modified 4 years and 37 days ago.

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