Make it explicit in the function signature that we're just doing an "Object == null" comparison. Otherwise the user might pass in an  undefined, and expect a strict equality test.
Make it explicit in the function signature that we're just doing an
"Object == null" comparison. Otherwise the user might pass in an 
undefined, and expect a strict equality test.



git-svn-id: a1a4b28b82a3276cc491891159dd9963a0a72fae@4886 542714f4-19e9-0310-aa3c-eee0fc999fb1

threerings/narya,threerings/narya,threerings/narya,threerings/narya,threerings/narya