code: public boolean render(RootDoc rootDoc, DocletRenderer renderer) {
          if (!processOverview(rootDoc, renderer)) {
              return false;
          }
          Set<PackageDoc> packages = new HashSet<PackageDoc>();
          for (ClassDoc doc : rootDoc.classes()) {
              packages.add(doc.containingPackage());
              renderClass(doc, renderer);
          }
          for (PackageDoc doc : packages) {
              renderer.renderDoc(doc);
          }
          return true;
      }
docs: Renders a RootDoc's contents.
  
  @param rootDoc
  @param renderer