add: if (isInvalidNumber(h.colspan)) { h.colspan = 1; };  if (isInvalidNumber(h.rowspan)) { h.rowspan = 1; };  
context: proto.add = function(w, h){  w.setParent(this);  w.setLayoutHint(h);};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/856d1a5c1a6fa74423b05da4d6984904b653f505/QxGridLayout.js/buggy/qooxdoo/source/script/widgets/QxGridLayout.js