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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Bug in incremental undrawing of mouseover highlighting
Date: Thu, 23 Nov 2006 06:12:49 +0200
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Original-To: Nick Roberts <nickrob@snap.net.nz>
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> From: Nick Roberts <nickrob@snap.net.nz>
> Date: Thu, 23 Nov 2006 12:57:06 +1300
> Cc: Chong Yidong <cyd@stupidchicken.com>,
> 	rogers-emacs@rgrjr.dyndns.org, emacs-devel@gnu.org
> 
> Does MSDOS know where the mouse is?

Of course, it does.  Witness the various mouse_* functions on msdos.c.

It also supports drop-down and pop-up menus.

> Or is it like a text terminal on Unix?

It's actually the other way around: the Unix text terminal support for
faces in Emacs is modeled after the MSDOS port, which was the first
one to support colors on an otherwise text-mode display.