nl_tokens: Extends the specified object with another object .
pl_tokens: function ( target ) { var undef ; each ( arguments , function ( arg , i ) { if ( i > 0 ) { each ( arg , function ( value , key ) { if ( value !== undef ) { if ( typeof ( target [ <mask> ] ) === typeof ( value ) && ( typeof ( value ) === 'object' || util . isArray ( value ) ) ) { extend ( target [ key ] , value ) ; } else { target [ key ] = value ; } } } ) ; } } ) ; return target ; }