bug#19468: 25.0.50; UI inconveniences with M-.

[Eli Zaretskii]

> Date: Mon, 05 Jan 2015 02:52:51 +0300
> From: Dmitry Gutov <dgutov@yandex.ru>
> CC: 19468@debbugs.gnu.org, eller.helmut@gmail.com
> 
> On 12/30/2014 06:41 PM, Eli Zaretskii wrote:
> 
> > More importantly, it will tell the user what she needs to do, even if
> > she doesn't use the mouse, because mouse-sensitive portions of Emacs
> > display generally behave very similarly.
> 
> I've added some button-like interaction, but not exactly using buttons 
> (largely because of bug#19500).
> 
> The interaction might be a bit unconventional by Emacs standards 
> (mouse-2 works like C-o; mouse-1 works like RET), but see how it works 
> for you. Reverting the bindings is not out of the question.

Looks OK; adding help-echo will make it even better.  Thanks.