value 'undefined' rather than an empty string. git-svn-id: svn://10.0.0.236/trunk@122685 18797224-902f-48f8-a5cc-f745e15eee43
value 'undefined' rather than an empty string. git-svn-id: svn://10.0.0.236/trunk@122685 18797224-902f-48f8-a5cc-f745e15eee43