code: public static JavadocTool make0(Context context) {
          // force the use of Javadoc's class finder
          JavadocClassFinder.preRegister(context);
  
          // force the use of Javadoc's own enter phase
          JavadocEnter.preRegister(context);
  
          // force the use of Javadoc's own member enter phase
          JavadocMemberEnter.preRegister(context);
  
          // force the use of Javadoc's own todo phase
          JavadocTodo.preRegister(context);
  
          // force the use of Messager as a Log
          Messager.instance0(context);
  
          return new JavadocTool(context);
      }
docs: Construct a new javadoc tool.