@Override
        public void attribute(final CharSequence localName, final CharSequence v, final int startoffset, final int endoffset) {
          final @NonNls String name = StringUtil.toLowerCase(localName.toString());
          if (inTag.contains("meta")) {
            @NonNls String value = StringUtil.toLowerCase(v.toString());
            if (name.equals("http-equiv")) {
              metHttpEquiv |= value.equals("content-type");
            }
            else if (name.equals(CHARSET)) {
              metHtml5Charset = true;
              contentAttributeValue = value;
            }
            if (name.equals("content")) {
              contentAttributeValue = value;
            }
          }
        }
@Override
        public void attribute(final CharSequence localName, final CharSequence v, final int startoffset, final int endoffset)