code: public void addPackageDescription(Content packageContentTree) {
          if (packageDoc.inlineTags().length > 0) {
              packageContentTree.addContent(
                      getMarkerAnchor(SectionName.PACKAGE_DESCRIPTION));
              Content h2Content = new StringContent(
                      configuration.getText("doclet.Package_Description",
                      packageDoc.name()));
              Content heading = HtmlTree.HEADING(HtmlConstants.PACKAGE_HEADING, true, h2Content);
              if (configuration.allowTag(HtmlTag.SECTION)) {
                  sectionTree.addContent(heading);
                  addInlineComment(packageDoc, sectionTree);
              } else {
                  packageContentTree.addContent(heading);
                  addInlineComment(packageDoc, packageContentTree);
              }
          }
      }
docs: {@inheritDoc}