* using the global Parser service.
*
* @param Title $title
- * @param int|null $revId Revision to pass to the parser (default: null)
+ * @param int|null $revId ID of the revision being rendered.
+ * See Parser::parse() for the ramifications. (default: null)
* @param ParserOptions $options (default: null)
* @param bool $generateHtml (default: true)
* @param ParserOutput &$output ParserOutput representing the HTML form of the text,