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From: Chong Yidong <cyd@stupidchicken.com>
Newsgroups: gmane.emacs.devel
Subject: Re: mouse position bug and half a fix
Date: Sun, 25 Jan 2009 12:02:17 -0500
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To: David Reitter <david.reitter@gmail.com>
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David Reitter <david.reitter@gmail.com> writes:

> The problem is that  (posn-point (event-start start-event))  in mouse-
> drag-region does not give us the correct location; in fact, the xy
> coordinates in the event are wrong.
>
> My guess is that whatever algorithm determines the character position
> under the mouse cursor forgets to switch to the appropriate window
> buffer before looking up the faces when iterating over the window
> contents.

I've checked in a fix.  Thanks.