bug#29889: 27.0.50; Slow visual selection

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: Sujith <m.sujith@gmail.com>,  Eli Zaretskii <eliz@gnu.org>,
>   29889@debbugs.gnu.org
> Date: Fri, 20 May 2022 17:23:17 +0800
> 
> Consider typing M-h and then inserting the contents of the region into
> another program with a middle-click, or typing C-h a and doing the same.
> 
> That is how other X programs behave, and isn't possible if
> `select-active-regions' is `only'.

Maybe we need yet another value for that variable, which would set the
selection not only for shift-selection?