bug#14464: 24.3; require sets deactivate-mark causing problems with some plugins

[Lars Ingebrigtsen]

Donald Curtis <dcurtis@milkbox.net> writes:

> # Odd Behavior
>
> 1. open `sample.el` with: emacs -Q sample.el
> 2. eval the `defadvice`
> 3. eval the `progn` portion of the provided code.
> 4. transient mark something
> 5. hit C-.
>
> now the active-mark disappears.
>
> AND what is even weirder is that if you remove the `compile` option from
> the `defadvice` then there is no issue. but there is something weird here!

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

I tried reproducing this problem with Emacs 25.1 (and Emacs 28), but I
was unable to -- the active region didn't disappear.

Are you still seeing this issue in recent Emacs versions?

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