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