GNU bug report logs - #46783
Catch mistaken (query-replace "a" "a")

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Package: emacs;

Reported by: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>

Date: Thu, 25 Feb 2021 22:28:01 UTC

Severity: wishlist

Tags: notabug

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Robert Pluim <rpluim <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 46783 <at> debbugs.gnu.org, 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Subject: bug#46783: Catch mistaken (query-replace "a" "a")
Date: Fri, 26 Feb 2021 10:49:16 +0100

>>>>> On Fri, 26 Feb 2021 09:57:09 +0100, Lars Ingebrigtsen <larsi <at> gnus.org> said:

    Lars> 積丹尼 Dan Jacobson <jidanni <at> jidanni.org> writes:
    >> One might say "well there are still some uses for replacing the same
    >> thing with itself." No, wrong.

    Lars> There is -- to remove text properties.

    Lars> I'm not sure that's a compelling use case, though.

I find the following quite useful:

(require 'char-fold)
(setq replace-char-fold t)
C-x 8 RET e1 RET
(goto-char (point-min)
M-x query-replace RET a RET a

Robert
--
This bug report was last modified 4 years and 84 days ago.

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