bug#57995: <wheel-right> with pixel-scroll-precision-mode

[Po Lu]

Tak Kunihiro <tak.kunihiro@gmail.com> writes:

> I typed in the results.
>
>>  (lldb) p emacs_event->modifiers
> (unsigned int) $0 = 2
>>  (lldb) p scrollUp
> (int) $1 = 0
>>  (lldb) p delta
> error: expression failed to parse:
> error: <user expression 2>:1:1: use of undeclared identifier 'delta'
> delta

Rright... what if you replace "delta" with "[theEvent scrollingDeltaX]"?