rem: for (var i = 0; i < element.childNodes.length; i++) { var node = element.childNodes[i]; 
add: var node = element.firstChild; while (node) { var nextNode = node.nextSibling; 
context:   cleanWhitespace: function(element) {    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);    }    return element;  },
meta: 2409	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2409/55c6c64da0fbbfba74a0b4ad68022bf640a0a049/prototype.js/buggy/actionpack/lib/action_view/helpers/javascripts/prototype.js