brandonaaron/jquery-mousewheel — pull request #73 by dskiff (2013-10-18 00:23:49+00:00)
Title: Fix axis specific deltas on Firefox < 17

- FF versions less than 17 use DOMMouseScroll event, which provides a
detail (the magnitude) and axis of the scroll. However, it doesn't
provide individual dy, dx values, and the axis is currently ignored
by jquery-mousewheel.