Tiny string-clean-whitespace simplification

* lisp/emacs-lisp/subr-x.el (string-clean-whitespace): Streamline by
treating replacement string as being literal and having fixed case.

diff --git a/lisp/emacs-lisp/subr-x.el b/lisp/emacs-lisp/subr-x.el
index 1c8e1d6293f391a3c1b82115e67419cd49978c5a..aa39fc1538fbea23a753956c332d46fc352aa8ae 100644 (file)
--- a/lisp/emacs-lisp/subr-x.el
+++ b/lisp/emacs-lisp/subr-x.el
@@ -270,7 +270,7 @@ All sequences of whitespaces in STRING are collapsed into a
 single space character, and leading/trailing whitespace is
 removed."
   (let ((blank "[[:blank:]\n]+"))
-    (string-trim (replace-regexp-in-string blank " " string)
+    (string-trim (replace-regexp-in-string blank " " string t t)
                  blank blank)))
 
 (defun string-fill (string length)