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From: Chong Yidong <cyd@stupidchicken.com>
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Subject: Re: Color highlighting leaves a trail of cursors on the screen
Date: Wed, 18 Feb 2009 22:35:01 -0500
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Cc: 2343@emacsbugs.donarmstrong.com, Kim Rose Carlsen <KRC@fullrate.dk>
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Kim Rose Carlsen <KRC@fullrate.dk> wrote:

> How to reproduce:
> In a terminal 
> 1) start emacs (emacs -nw)
> 2) switch to scratch buffer 
> 2) Change to c mode (M-x c-mode)
> 3) type 'if (aa == 1)'
>
> You should now see (a green) cursor block between 'aa' and '==' like the
> screenshot.
>
> Tested with terminal:
> Gnome-terminal (term=xterm || term=linux)
> xfce-terminal  (term=xterm || term=linux)
> rox-terminal   (term=xterm || term=linux)
>
> Cannot reproduce with 
> linux console (term=linux || term=xterm)
> xterm (term=xterm || term=linux)

I'm pretty baffled by this one.  I can reproduce it using
gnome-terminal, and a slightly different version of the bug seems to
show up in Emacs 22 too.  Anyone have any idea?