code: public boolean qualifyForComparison(Element control, Element test) {
          return ElementSelectors.byNameAndText.canBeCompared(control, test);
      }
docs: Determine whether two elements qualify for further Difference comparison.
  @param control
  @param test
  @return true if the two elements qualify for further comparison based on
  both the superclass qualification (namespace URI and non- namespaced tag
  name), and the qualification of the text nodes contained within the
  elements; false otherwise