GNU bug report logs - #20687
25.0.50; `perform-replace' should invoke a key that you have bound in `query-replace-map'

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From: Juri Linkov <juri <at> linkov.net>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 20687 <at> debbugs.gnu.org
Subject: bug#20687: 25.0.50; `perform-replace' should invoke a key that you have bound in `query-replace-map'
Date: Wed, 03 Jun 2015 01:01:39 +0300

> The point is that a user can do that (that's what keymaps and
> key bindings are for), but currently `perform-replace' refuses to
> recognize such a key and its command.

I see there are already commands (as opposed to special internal
values such as `act' and `skip') in query-replace-map:

    (define-key map "\C-v" 'scroll-up)
    (define-key map "\M-v" 'scroll-down)
    (define-key map [next] 'scroll-up)
    (define-key map [prior] 'scroll-down)
    (define-key map [?\C-\M-v] 'scroll-other-window)
    (define-key map [M-next] 'scroll-other-window)
    (define-key map [?\C-\M-\S-v] 'scroll-other-window-down)
    (define-key map [M-prior] 'scroll-other-window-down)

These bindings look like real commands intended to be called
interactively, so after enabling this feature in query-replace
they will start doing their job which is good.

The only suggestion I have is to check whether the binding
is a command before trying to call it, i.e.:

diff --git a/lisp/replace.el b/lisp/replace.el
index 1bf1343..503531a 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -2404,6 +2404,8 @@ (defun perform-replace (from-string replacements
 			 (replace-dehighlight)
 			 (save-excursion (recursive-edit))
 			 (setq replaced t))
+                        ((commandp def t)
+                         (call-interactively def))
 			;; Note: we do not need to treat `exit-prefix'
 			;; specially here, since we reread
 			;; any unrecognized character.

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