nl_tokens: Returns or updates element value . If such element doesn t exists it will be created automatically and added at the end of child list .
pl_tokens: function ( name , value , pos ) { var element = this . get ( name ) ; if ( element ) return element . <mask> ( value ) ; if ( ! _ . isUndefined ( value ) ) { // no such element — create it return this . add ( name , value , pos ) ; } }