code: public DocLink getDocLink(SectionName sectionName, String where) {
          return DocLink.fragment(sectionName.getName() + getName(where));
      }
docs: Get the link.
  
  @param sectionName      The section name combined with where to which the link
  will be created.
  @param where            The fragment combined with sectionName to which the link
  will be created.
  @return a DocLink object for the hyper link