*
* @Route("/export/{category}.{format}", name="export_entries", requirements={
* "format": "epub|mobi|pdf|json|xml|txt|csv",
- * "category": "all|unread|starred|archive|tag_entries|untagged"
+ * "category": "all|unread|starred|archive|tag_entries|untagged|search"
* })
*
* @return \Symfony\Component\HttpFoundation\Response