OpenRA/OpenRA — pull request #2807 by bidifx (2013-03-20 19:40:00+00:00)
Title: fixes #2128: cancel attacks when units get chrono-teleported

Please review and discuss. This is just my first guess - not sure if it's the right way.

BTW:
Why does Activity.Cancel( Actor self ) have this parameter? IMHO it's never used.