GrssFeedRssFormatter — able to format a feed in RSS
GObject ╰── GrssFeedFormatter ╰── GrssFeedRssFormatter
GrssFeedRssFormatter is an implementation on GrssFeedFormatter able to handle RSS format
GrssFeedRssFormatter * grss_feed_rss_formatter_new ();
#define GRSS_FEED_RSS_FORMATTER_TYPE (grss_feed_rss_formatter_get_type())
