Table: module {	PATH: con "/dis/ebook/table.dis";	Cell: adt {		w: string;		span: Draw->Point;		sizereq: Draw->Point;	};	init:	fn();	newcell:	fn(w: string, span: Draw->Point): ref Cell;	layout: fn(cells: array of array of ref Cell, win: ref Tk->Toplevel, w: string);};