&updater: A DatabaseUpdater subclass
'LocalFile::getHistory': called before file history query performed
-$file: the file
+$file: the File object
$tables: tables
$fields: select fields
$conds: conditions
$opts: query options
$join_conds: JOIN conditions
+'LocalFilePurgeThumbnails': called before thumbnails for a local file a purged
+$file: the File object
+$type: either "current" or "archive"
+
'LocalisationCacheRecache': Called when loading the localisation data into cache
$cache: The LocalisationCache object
$code: language code
Change $result and return false to give a definitive answer, otherwise
the built-in rate limiting checks are used, if enabled.
+'PlaceNewSection': Override placement of new sections.
+$wikipage : WikiPage object
+$oldtext : the text of the article before editing
+$subject : subject of the new section
+&$text : text of the new section
+Return false and put the merged text into $text to override the default behavior.
+
'PrefixSearchBackend': Override the title prefix search used for OpenSearch and
AJAX search suggestions. Put results into &$results outparam and return false.
$ns : array of int namespace keys to search in