bug#20150: 24.4: bookmarks: return from editing annotations (FIX INCLUDED)

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Thu, 4 Jul 2019 21:40:45 +0200
> Cc: 20150@debbugs.gnu.org
> 
> I've attached an updated patch without this FIXME.  Other than that,
> it's identical.

Thanks.

> +(define-obsolete-variable-alias 'bookmark-annotation-name
> +  'bookmark-annotation--name "27.1")

Hmm... we declare a non-internal variable obsolete and replace it with
an internal variable?  Why is that a good idea?  Does the new variable
have to be internal?