Big changes to extensions' documentation:

* changed all @addtogroup to @ingroup
* added some @file where needed
* changed some @package/@subpackage to @ingroup

Cite.i18n.php

@@ -2,8 +2,9 @@
 /**
  * Internationalisation file for Cite extension.
  *
- * @addtogroup Extensions
-*/
+ * @file
+ * @ingroup Extensions
+ */
 
 $messages = array();
 

Cite.php

@@ -5,7 +5,8 @@ if ( ! defined( 'MEDIAWIKI' ) )
  * A parser extension that adds two tags, <ref> and <references> for adding
  * citations to pages
  *
- * @addtogroup Extensions
+ * @file
+ * @ingroup Extensions
  *
  * @link http://www.mediawiki.org/wiki/Extension:Cite/Cite.php Documentation
  *

Cite_body.php

@@ -4,7 +4,7 @@
  * A parser extension that adds two tags, <ref> and <references> for adding
  * citations to pages
  *
- * @addtogroup Extensions
+ * @ingroup Extensions
  *
  * @link http://www.mediawiki.org/wiki/Extension:Cite/Cite.php Documentation
  * @link http://www.w3.org/TR/html4/struct/text.html#edef-CITE <cite> definition in HTML

SpecialCite.alias.php

@@ -2,7 +2,8 @@
 /**
  * Aliases for Special:Cite
  *
- * @addtogroup Extensions
+ * @file
+ * @ingroup Extensions
  */
 
 $aliases = array();

SpecialCite.i18n.php

@@ -2,7 +2,8 @@
 /**
  * Internationalisation file for Cite special page extension.
  *
- * @addtogroup Extensions
+ * @file
+ * @ingroup Extensions
 */
 
 $messages = array();

SpecialCite.php

@@ -4,7 +4,8 @@ if ( !defined( 'MEDIAWIKI' ) ) die();
  * A special page extension that adds a special page that generates citations
  * for pages.
  *
- * @addtogroup Extensions
+ * @file
+ * @ingroup Extensions
  *
  * @link http://www.mediawiki.org/wiki/Extension:Cite/Special:Cite.php Documentation
  *