GNU bug report logs - #27896
25.2; `C-M-%' with `rectangle-mark-mode'

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Juri Linkov <juri <at> linkov.net>
Cc: "27896 <at> debbugs.gnu.org" <27896 <at> debbugs.gnu.org>, Drew Adams <drew.adams <at> oracle.com>
Subject: bug#27896: [External] : Re: bug#27896: 25.2; `C-M-%' with `rectangle-mark-mode'
Date: Sun, 07 Feb 2021 21:52:01 +0100

Juri Linkov <juri <at> linkov.net> writes:

> Indeed.  A proper implementation would require
> too much changes in core code.  Just imagine
> how to properly replace multi-line regexps in the
> rectangular region using current search functions.

Yes, that sounds tough...

But we could somewhat easily change `C-M-%' to be slightly less
surprising, and document its limitations.  That is, we say that no
multi-line matches are impossible in rectangle mode, and we implement it
by just narrowing to each successive line part, and executing the
query-replace-regexp once per line.  (With some magic to handle `!' etc,
I guess.)

Would that work?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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