rem: if (child.nodeType != 3 || !isWhitespaceText(child)) 
add: if (child.nodeType != 3 || !this.isWhitespaceText(child)) 
context:     childIterator: function(node)    {        if (node.contentDocument)            return [node.contentDocument.documentElement];        if (Firebug.showWhitespaceNodes)            return cloneArray(node.childNodes);        else        {            var nodes = [];            for (var child = node.firstChild; child; child = child.nextSibling)            {                if (child.nodeType != 3 || !isWhitespaceText(child))                    nodes.push(child);            }            return nodes;        }    }
meta: 7450	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7450/6be3c6e9d225c8ad86a241df71727d654ddb2469/html.js/buggy/extension/content/firebug/html.js