Re: emojis and other multi-character glyphs

[Eli Zaretskii]

> From: Evgeny Zajcev <lg.zevlg@gmail.com>
> Date: Sun, 26 Dec 2021 13:41:21 +0300
> Cc: emacs-devel <emacs-devel@gnu.org>
> 
>  > And also it will be possible to write something like `string-glyph-length' 
> to return 1 for "👨‍👩‍👧‍👦"
>  instead of 7
>  > as `length' returns now.
> 
>  Why would that be useful?
> 
> Sometimes it is useful to know real string length before acting on
> it.

If you mean their width on display, then we have string-width for
that.  And if you need absolute accuracy, use window-text-pixel-size.

> In my case, I use a service that has
> limitation on number chars it can act on and emojis are counted as
> single char.

But that is incorrect: most Emoji sequences occupy two columns on display.