Re: master e37eb7f: Add support for pixel wheel deltas on NS

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: emacs-devel@gnu.org
> Date: Sat, 27 Nov 2021 20:11:45 +0800
> 
> @item (wheel-up @var{position} @var{clicks} @var{lines} @var{pixel-delta})
> @itemx (wheel-down @var{position} @var{clicks} @var{lines} @var{pixel-delta})
> These kinds of event are generated by moving a mouse wheel.  The
> @var{position} element is a mouse position list (@pxref{Click
> Events}), specifying the position of the mouse cursor when the event
> occurred.
> 
> @var{clicks}, if present, is the number of times in quick succession
> the wheel has been moved.  @xref{Repeat Events}.  @var{lines}, if
> present and not @code{nil}, is the number of screen lines that should
> be scrolled.  @var{pixel-delta}, if present, is a pair of the form
> @w{@code{(@var{x} . @var{y})}}, where @var{x} and @var{y} are the
> number of pixels to scroll by in each axis.
> 
> Each parameters after @var{position} may be absent.  Additionally,
> @var{lines} may be @code{nil}.

LGTM, but the last sentence is redundant, I think.  You already say
that above.