This is not true since $wgSkinExtensionFunctions was removed in r87487.
Change-Id: Ia2c75aa191516fa43272ed51789579cf7afd9e37
Profiler::instance()->scopedProfileOut( $ps_globals );
$ps_extensions = Profiler::instance()->scopedProfileIn( $fname . '-extensions' );
-// Extension setup functions for extensions other than skins
+// Extension setup functions
// Entries should be added to this variable during the inclusion
// of the extension file. This allows the extension to perform
// any necessary initialisation in the fully initialised environment