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Re: Marking squares

From: Eli Zaretskii
Subject: Re: Marking squares
Date: Sat, 02 Feb 2013 10:37:08 +0200

> Date: Sat, 2 Feb 2013 11:06:44 +0800
> From: Xue Fuqiao <address@hidden>
> Cc: address@hidden
> On Sat, 02 Feb 2013 03:47:59 +0100
> Lars Magne Ingebrigtsen <address@hidden> wrote:
> > So my question is -- does Emacs have an option of highlighting
> > rectangles instead of "the region"?  It might be useful when using
> > commands like `C-x r k', too, perhaps.
>    CUA mode provides enhanced rectangle support with visible rectangle
> highlighting.

If you look at CUA Rectangle mode code, you will see that it has
nothing to do with highlighting.  It creates an _illusion_ of
highlighting by placing overlays at some portions of text, and moving
those overlays as mouse or point move.

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