mootools/mootools-more — pull request #1266 by SergioCrisostomo (2014-05-30 17:34:27+00:00)
Title: Count with offsetScroll when calculateLimit()

fixes #1010

When dragging a element inside a container && offSetParent is scrolled,
the position of dragged element is wrongly calculated.

Example of buggy behavior: http://jsfiddle.net/F9Fc9/
Example fixed: http://jsfiddle.net/F9Fc9/1/