GitLab

* doc/lispref/commands.texi (Misc Events): Document changes to
wheel events.

* src/keyboard.c (make_lispy_event): Handle wheel events with
pixel delta data.
* src/termhooks.h (WHEEL_EVENT): Document changes to
WHEEL_EVENT args.
* src/xfns.c (syms_of_xfns): Declare new symbols.
* src/xterm.c (handle_one_xevent): Give wheel events pixel delta
data.
(x_coalesce_scroll_events): New user option.