emacs-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Slow redisplay with long lines


From: Eli Zaretskii
Subject: Re: Slow redisplay with long lines
Date: Fri, 16 May 2014 08:40:39 +0300

> From: Stephan Mueller <address@hidden>
> Date: Thu, 15 May 2014 20:57:08 +0000
> 
> " > Long lines slow down redisplay because it needs to scan the entire
> " > line to see how tall it will be on display.
> "
> " Why should it care about the whole line rather than only the part
> " of it that's displayed?
> 
> So that the line height doesn't change when scrolling horizontally
> and a taller character comes into view?

No, horizontal scrolling causes another redisplay, which examines the
characters that came into view at that time.



reply via email to

[Prev in Thread] Current Thread [Next in Thread]