+'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 $text to override the default behavior.
+
+'PreferencesGetLegend': Override the text used for the <legend> of a preferences section
+$form: the PreferencesForm object. This is a ContextSource as well
+$key: the section name
+&$legend: the legend text. Defaults to wfMsg( "prefs-$key" ) but may be overridden
+