nl_tokens: Clears all options .
pl_tokens: function ( ) { var self = this ; self . loadedSearches = { } ; self . userOptions = { } ; self . renderCache = { } ; var options = self . options ; $ . each ( self . options , function ( key , value ) { if ( self . items . indexOf ( key ) == - 1 ) { delete options [ key ] ; } } ) ; self . options = <mask> . sifter . items = options ; self . lastQuery = null ; self . trigger ( 'option_clear' ) ; }