code: protected Content getPackage(PackageElement pe) {
          Content packageLinkContent;
          Content packageLabel;
          if (pe.isUnnamed()) {
              packageLabel = new StringContent("<unnamed package>");
              packageLinkContent = getHyperLink(DocPaths.PACKAGE_FRAME,
                      packageLabel, "", "packageFrame");
          } else {
              packageLabel = getPackageLabel(pe.getQualifiedName());
              packageLinkContent = getHyperLink(pathString(pe,
                       DocPaths.PACKAGE_FRAME), packageLabel, "",
                      "packageFrame");
          }
          Content li = HtmlTree.LI(packageLinkContent);
          return li;
      }
docs: Returns each package name as a separate link.
  
  @param pe PackageElement
  @return content for the package link