Re: emacs rendering comparisson between emacs23 and emacs26.3

[Eli Zaretskii]

> Cc: address@hidden, address@hidden, address@hidden, address@hidden
> From: martin rudalics <address@hidden>
> Date: Sat, 4 Apr 2020 13:10:43 +0200
> 
>  > (time-it (scroll-up) (sit-for 0))
> 
> To avoid confusion - what is 'time-it'?  And please note that I did not
> say that I ran 'scroll-up'.  I did a mouse wheel scroll as the OP of
> that bug requested and unfortunately I don't know what mouse wheel
> scrolling does here because C-h k on it just gives me
> 
> Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)
>    help--read-key-sequence()
>    byte-code("\300 C\207" [help--read-key-sequence] 1)
>    call-interactively(describe-key nil nil)
>    command-execute(describe-key)

It runs mwheel-scroll.  Not sure why it signals an error on your
system.

And if I turn the mouse wheel just one click, I don't see Emacs
lagging behind, either.