nl_tokens: multi
pl_tokens: function ( val ) { var unique ; if ( this . select ) { this . select . val ( val ) ; } else { unique = [ ] ; // filter out duplicates $ ( val ) . each ( function ( ) { if ( indexOf ( this , unique ) < 0 ) <mask> . push ( this ) ; } ) ; this . opts . element . val ( unique . length === 0 ? "" : unique . join ( this . opts . separator ) ) ; } }