code: private void generateClassFiles(ClassTree classtree) {
          String[] packageNames = configuration.classDocCatalog.packageNames();
          for (int packageNameIndex = 0; packageNameIndex < packageNames.length;
                  packageNameIndex++) {
              generateClassFiles(configuration.classDocCatalog.allClasses(
                  packageNames[packageNameIndex]), classtree);
          }
      }
docs: Generate the class files for single classes specified on the command line.
  
  @param classtree the data structure representing the class tree.