From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Mon, 21 Dec 2020 21:41:37 +0000 (+0100)
Subject: Make string-clean-whitespace work on non-ASCII whitespace, too
X-Git-Tag: emacs-28.0.90~4624
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=768522750ddbf68eb86b336fb41df9ec2fae6988;p=emacs.git

Make string-clean-whitespace work on non-ASCII whitespace, too

* lisp/emacs-lisp/subr-x.el (string-clean-whitespace): Also clean
up non-ASCII whitespace.
---

diff --git a/lisp/emacs-lisp/subr-x.el b/lisp/emacs-lisp/subr-x.el
index 80d4cb9b650..4d1a73a251a 100644
--- a/lisp/emacs-lisp/subr-x.el
+++ b/lisp/emacs-lisp/subr-x.el
@@ -269,7 +269,9 @@ carriage return."
 All sequences of whitespaces in STRING are collapsed into a
 single space character, and leading/trailing whitespace is
 removed."
-  (string-trim (replace-regexp-in-string "[ \t\n\r]+" " " string)))
+  (let ((blank "[[:blank:]\n]+"))
+    (string-trim (replace-regexp-in-string blank " " string)
+                 blank blank)))
 
 (defun string-fill (string length)
   "Try to word-wrap STRING so that no lines are longer than LENGTH.