Subject: bug#8530: 23.2; Button 'mouse-face property loses Bold and Italic properties

From: Eli Zaretskii <[email-masked]>
Date: Thu, 21 Apr 2011 15:24:24 -0400

> Date: Thu, 21 Apr 2011 11:38:44 -0700
> From: PJ Weisberg <[email-masked]>
> Cc: [email-masked]
> 
> Well, it's not *only* the colors, since the "box" property is
> respected.  It seems odd that some properties are used and some are
> ignored.

Well, the font is explicitly ignored, at least in my reading of the
code.  Maybe that's because mouse-face was intended to _highlight_ the
text, not redraw it in some entirely different face.  Or maybe there
are other reasons, or even no particular reason at all.  I don't know.