* @param xpath the XPath expression to select elements
     * @param attr the attribute name to extract URLs from
     * @param encoding the character encoding to use
     * @return a list of extracted URLs
     */
    protected List<String> getUrlFromTagAttribute(final URL url, final Document document, final String xpath, final String attr,
            final String encoding) {
        if (logger.isDebugEnabled()) {

                        final NamedNodeMap nnm = parent.getAttributes();

                        for (int i = 0; i < nnm.getLength(); i++) {
                            final Node attr = nnm.item(i);
                            final String aname = attr.getNodeName();
                            final boolean isPrefix = aname.startsWith("xmlns:");

                            if (isPrefix || "xmlns".equals(aname)) {

Handle;n.fn.extend({attr:function(a,b){return J(this,n.attr,a,b,arguments.length>1)},removeAttr:function(a){return this.each(function(){n.removeAttr(this,a)})}}),n.extend({attr:function(a,b,c){var d,e,f=a.nodeType;if(a&&3!==f&&8!==f&&2!==f)return typeof a.getAttribute===U?n.prop(a,b,c):(1===f&&n.isXMLDoc(a)||(b=b.toLowerCase(),d=n.attrHooks[b]||(n.expr.match.bool.test(b)?Zb:Yb)),void 0===c?d&&"get"in d&&null!==(e=d.get(a,b))?e:(e=n.find.attr(a,b),null==e?void 0:e):null!==c?d&&"set"in d&&void 0!=...