[RFC][PATCH] emacs: Use text properties rather than overlays in various places.

[Jameson Graef Rollins]

On Wed, 28 Dec 2011 14:31:31 +0000, David Edmondson <dme at dme.org> wrote:
> Probably just for aficionados at the moment...

Actually, I think that all the rest of these comments should be included
in the log.  There's useful discussion here.

> Given that clashes between overlays and text properties are a problem
> and overlays are considered expensive, switching to text properties
> makes sense. For example, the coloured tags in the headerline are back
> with this patch.

I actually currently have colored tags in the headerline.  Did they go
somewhere at some point?

jamie.
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