"spark" (who is also a user on Twitter) has been ++'ed 1 times and --'ed 0 times by a total of 1 people.
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Operation Sign, User and Reason
++'ed by akio0911 (http://lab.libspark.org/trac/browser/as3/flash3d/org/libspark/geom/Vector2D.as)
Tweet: Spark++ http://lab.libspark.org/trac/browser/as3/flash3d/org/libspark/geom/Vector2D.as