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);    }  }
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