bug#10195: 24.0.92; M-w may no longer provide visual feedback

[Eli Zaretskii]

> From: Chong Yidong <cyd@gnu.org>
> Cc: Michael Welsh Duggan <md5i@md5i.com>,  10195@debbugs.gnu.org,  ejb@ql.org
> Date: Sun, 04 Dec 2011 10:29:16 +0800
> 
> Your pending input explanation is probably right.

The question is: what input is pending?

Looking at the event queue should reveal that.  If that shows nothing
appropriate, then try looking lower at the socket read.