GNU bug report logs - #72830
Big rectangular selections are slow

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From: Po Lu <luangruo <at> yahoo.com>
To: Mattias Engdegård <mattias.engdegard <at> gmail.com>
Cc: 72830 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>, Juri Linkov <juri <at> linkov.net>
Subject: bug#72830: Big rectangular selections are slow
Date: Thu, 29 Aug 2024 08:40:42 +0800

Mattias Engdegård <mattias.engdegard <at> gmail.com> writes:

> - `select-active-regions` makes each selection change very expensive.
>   Can be set to nil by the user, but I really suggest that we change
>   the default to nil, at least for non-X11 since the default assumes
>   old-school X11 PRIMARY selection which is alien on most other
>   platforms.

No!!!  Primary selections are an integral part of X, and users (many
trained on X) have come to expect it of Emacs on other systems.

Emacs supports saving a region in a buffer as a selection rather than an
entire string, which could be exercised in the case of rectangular
selections.

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