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Re: Set-window-vscroll sometimes doesn't work


From: Eli Zaretskii
Subject: Re: Set-window-vscroll sometimes doesn't work
Date: Thu, 22 Oct 2020 20:09:11 +0300

> From: Yuan Fu <casouri@gmail.com>
> Date: Thu, 22 Oct 2020 12:50:23 -0400
> Cc: help-gnu-emacs@gnu.org
> 
>  What do you mean by "smooth scrolling" here?  If I invoke C-2 C-n" on
>  a large image, the image gets scrolled by the amount of pixels that is
>  equivalent to 2 screen lines.  Isn't that what you see?
> 
> With emacs -Q? On my machine emacs -Q doesn’t to that. Instead of moving two 
> line’s height, it just jumps
> to the next logical line.

That can only happen if the image fits in the window in its entirety.
Enlarge it so it's taller than the window, and then try again.



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