bug#29889: 27.0.50; Slow visual selection

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

> What if the buffer is killed?

Then the selection is disowned, which means other programs will no
longer ask the buffer's program for the contents of the selection.

> Anyway, if other applications behave like that, why cannot Emacs do
> the same?

That would be setting the selection to a cons of two buffer positions.

We could also only do that upon the region reaching a given size, to
avoid disturbing people who rely on the current behavior.