GNU bug report logs - #15166
24.3.50; Isearch for an octal code

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From: Juri Linkov <juri <at> jurta.org>
To: Dani Moncayo <dmoncayo <at> gmail.com>
Cc: 15166 <at> debbugs.gnu.org
Subject: bug#15166: 24.3.50; Isearch for an octal code
Date: Sat, 24 Aug 2013 01:58:56 +0300

BTW, while looking at `isearch-quote-char' I noticed that it
requires a comment saying that `C-q SPC' is an obsolete feature
(that is now replaced by `M-s SPC').  Then it should be also
de-documented in the docstring of `isearch-forward-regexp':

=== modified file 'lisp/isearch.el'
--- lisp/isearch.el	2013-07-05 20:15:32 +0000
+++ lisp/isearch.el	2013-08-23 22:42:25 +0000
@@ -823,7 +823,6 @@ (defun isearch-forward-regexp (&optional
 
 In incremental searches, a space or spaces normally matches any
 whitespace defined by the variable `search-whitespace-regexp'.
-To search for a literal space and nothing else, enter C-q SPC.
 To toggle whitespace matching, use `isearch-toggle-lax-whitespace'."
   (interactive "P\np")
   (isearch-mode t (null not-regexp) nil (not no-recursive-edit)))
@@ -2730,6 +2748,8 @@ (defun isearch-quote-char (&optional cou
     ;; single-byte character set, and convert them to Emacs
     ;; characters.
     (if (and isearch-regexp isearch-regexp-lax-whitespace (= char ?\s))
+	;; Obsolete feature: to search for a literal space
+	;; and nothing else, enter C-q SPC.
 	(if (subregexp-context-p isearch-string (length isearch-string))
 	    (isearch-process-search-string "[ ]" " ")
 	  (isearch-process-search-char char count))

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