nl_tokens: Clears all invalid field messages in this form .
pl_tokens: function ( ) { Ext . suspendLayouts ( ) ; var me = this , fields = <mask> . getFields ( ) . items , f , fLen = fields . length ; for ( f = 0 ; f < fLen ; f ++ ) { fields [ f ] . clearInvalid ( ) ; } Ext . resumeLayouts ( true ) ; return me ; }