rem: if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) 
add: if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) 
context:   cleanWhitespace: function(element) {    var element = $(element);    for (var i = 0; i < element.childNodes.length; i++) {      var node = element.childNodes[i];      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))         Element.remove(node);    }  }
meta: 3991	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3991/d29159eae8749c508d01bb447868321a3ba6bbfa/prototype.js/buggy/manager/media/script/scriptaculous/prototype.js