@Override
      public void startElement(String name, String nsPrefix, String nsURI, String systemID, int lineNr) throws Exception {
        boolean isXsltTag = XsltSupport.XSLT_NS.equals(nsURI);
        if (!isXslt) { // analyzing start tag
          if (!isXsltTag) {
            throw NanoXmlUtil.ParserStoppedXmlException.INSTANCE;
          } else {
            isXslt = true;
          }
        }
        isInclude = isXsltTag && ("include".equals(name) || "import".equals(name));
      }
@Override
      public void startElement(String name, String nsPrefix, String nsURI, String systemID, int lineNr)