Re: emacs rendering comparisson between emacs23 and emacs26.3

[martin rudalics]

>> ...  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.

I see.  C-h k apparently doesn't work with my separate minibuffer frame
setup.  Maybe some snafu with 'mouse-wheel--get-scroll-window'.

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

Right.  The effect appears only after a number of turns.

martin