code: public Content getPreQualifiedClassLink(LinkInfoImpl.Kind context,
              ClassDoc cd, boolean isStrong) {
          ContentBuilder classlink = new ContentBuilder();
          PackageDoc pd = cd.containingPackage();
          if (pd != null && ! configuration.shouldExcludeQualifier(pd.name())) {
              classlink.addContent(getPkgName(cd));
          }
          classlink.addContent(getLink(new LinkInfoImpl(configuration,
                  context, cd).label(cd.name()).strong(isStrong)));
          return classlink;
      }
docs: Retrieve the class link with the package portion of the label in
  plain text.  If the qualifier is excluded, it will not be included in the
  link label.
  
  @param cd the class to link to.
  @param isStrong true if the link should be strong.
  @return the link with the package portion of the label in plain text.