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From: "Jan D." <jan.h.d@swipnet.se>
Newsgroups: gmane.emacs.devel
Subject: Re: erratic scrolling on incomplete lines
Date: Sun, 6 Feb 2005 14:39:58 +0100
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> Hi,
>
> since  a moment I  have sometimes  an erratic  scrolling when  
> pressing PgUp
> (that is bounded  to scroll-down), and i think i managed  to figured 
> it out.
> (I am  currently on OSX/Aqua  but IIRC i  have also seen  that in X11  
> in my
> GNU/Linux system)
>
> Problem seems to be  that the frame is dimensioned such as  the last 
> line of
> the buffer (except the minibuffer)  is truncated vertically. I though 
> it was
> not possible  as Emacs only sizes  by character dimensions  increment 
> (i use
> the 6x12 font).

Can you give a step-by-step description of how to get to this situation 
(vertically truncated line)?  Preferrably starting from emacs -Q.  I'd 
imagine you could try setting font with -fn and geometry with -g and 
see if this comes up.  As you say, it should not happen.

	Jan D.