GNU bug report logs - #15200
isearch-other-meta-char and shift

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> jurta.org>
To: bug-gnu-emacs <at> gnu.org
Subject: isearch-other-meta-char and shift
Date: Tue, 27 Aug 2013 19:28:22 +0300

There is a problem in `isearch-other-meta-char' with shifted characters.
Typing <S-kp-0> exits Isearch instead of adding 0 to the search string.

A possible fix is to handle shifted kp-numbers like
shifted control characters are handled in the second
`cond' branch of `isearch-other-meta-char':

=== modified file 'lisp/isearch.el'
--- lisp/isearch.el	2013-07-05 20:15:32 +0000
+++ lisp/isearch.el	2013-08-27 16:27:45 +0000
@@ -2550,6 +2606,16 @@ (defun isearch-other-meta-char (&optiona
 		    (lookup-key local-function-key-map key)))
 	     (while keylist
 	       (setq key (car keylist))
+	       ;; Handle an undefined shifted printing character
+	       ;; by downshifting it if that makes it printing.
+	       ;; (As read-key-sequence would normally do,
+	       ;; if we didn't have a default definition.)
+	       (if (and (integerp key)
+			(memq 'shift (event-modifiers key))
+			(>= key (+ ?\s (- ?\S-a ?a)))
+			(/= key (+ 127 (- ?\S-a ?a)))
+			(<  key (+ 256 (- ?\S-a ?a))))
+		   (setq key (- key (- ?\S-a ?a))))
 	       ;; If KEY is a printing char, we handle it here
 	       ;; directly to avoid the input method and keyboard
 	       ;; coding system translating it.

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