code: public void propertyTagVal(final QName tag,
                               final QName tagVal) throws IOException {
      blanks();
      openTagSameLine(tag);
      emptyTagSameLine(tagVal);
      closeTagSameLine(tag);
      newline();
    }
docs: Create the sequence<br>
  <tag><tagVal></tag>
  
  @param tag
  @param tagVal
  @throws IOException