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Re: Display bug with tabs and horizontal scrolling

From: Kim F. Storm
Subject: Re: Display bug with tabs and horizontal scrolling
Date: 19 Nov 2003 01:47:53 +0100
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50

Andreas Schwab <address@hidden> writes:

> 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.

Good catch!  That was a completely unrelated bug in expose_area.

I have just committed a fix.  Pls. check again.

Kim F. Storm <address@hidden> http://www.cua.dk

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