nl_tokens: Unregister the handler from the event or if former was not specified - unregister all handlers
pl_tokens: function ( type , fn ) { var self = this , list , i ; type = type . toLowerCase ( ) ; if ( / \s / . test ( type ) ) { // multiple event types were passed for one handler Basic . each ( type . split ( / \s+ / ) , function ( <mask> ) { self . removeEventListener ( type , fn ) ; } ) ; return ; } list = eventpool [ this . uid ] && eventpool [ this . uid ] [ type ] ; if ( list ) { if ( fn ) { for ( i = list . length - 1 ; i >= 0 ; i -- ) { if ( list [ i ] . fn === fn ) { list . splice ( i , 1 ) ; break ; } } } else { list = [ ] ; } // delete event list if it has become empty if ( ! list . length ) { delete eventpool [ this . uid ] [ type ] ; // and object specific entry in a hash if it has no more listeners attached if ( Basic . isEmptyObj ( eventpool [ this . uid ] ) ) { delete eventpool [ this . uid ] ; } } } }