nl_tokens: Rectangle . ----------
pl_tokens: function rect ( x , y , w , h ) { if ( ! ( this instanceof rect ) ) return <mask> rect ( x , y , w , h ) ; if ( y === undefined ) { y = x . y ; w = x . width ; h = x . height ; x = x . x ; } this . x = x ; this . y = y ; this . width = w ; this . height = h ; }