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Re: Display bug with tabs and horizontal scrolling


From: Andreas Schwab
Subject: Re: Display bug with tabs and horizontal scrolling
Date: Tue, 18 Nov 2003 00:39:10 +0100
User-agent: Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3.50 (gnu/linux)

address@hidden (Kim F. Storm) writes:

> Andreas Schwab <address@hidden> writes:
>
>> There is a display bug when a TAB is only partially displayed at the left
>> edge.  To reproduce enable truncate-lines, type some TABs until the window
>> is scrolled due to automatic horizontal scrolling, then type some normal
>> characters.  Reposition the display by typing C-a C-e.  If you now type
>> DEL you will see that more than one character is erased from display,
>> depending on how much of the first visible TAB character is actually
>> visible.  This problem is only reproducable with X, not with tty output.
>> 
>
>
> I think this problem should be fixed by my recent changes.

Not completely.  The problem is still visible when the window is redrawn
due to an exposure event.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 N├╝rnberg
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