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Add new function 'string-pixel-width'

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* doc/lispref/display.texi (Size of Displayed Text): Mention it.
* lisp/emacs-lisp/shortdoc.el (string): Mention it.

* lisp/emacs-lisp/subr-x.el (string-pixel-width): New function.
This commit is contained in:
Lars Ingebrigtsen 2021-10-27 15:41:18 +02:00
parent 3fac3120f8
commit 03366de394
5 changed files with 40 additions and 3 deletions
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9
lisp/emacs-lisp/shortdoc.el
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@ -242,7 +242,14 @@ There can be any number of :example/:result elements."
:eval (number-to-string 42))
"Data About Strings"
(length
:eval (length "foo"))
:eval (length "foo")
:eval (length "avocado: 🥑"))
(string-width
:eval (string-width "foo")
:eval (string-width "avocado: 🥑"))
(string-pixel-width
:eval (string-pixel-width "foo")
:eval (string-pixel-width "avocado: 🥑"))
(string-search
:eval (string-search "bar" "foobarzot"))
(assoc-string