$oldsnamespace = MWNamespace::getSubject( $this->oldTitle->getNamespace() );
$newsnamespace = MWNamespace::getSubject( $this->newTitle->getNamespace() );
if ( $oldsnamespace != $newsnamespace || $oldtitle != $newtitle ) {
$oldsnamespace = MWNamespace::getSubject( $this->oldTitle->getNamespace() );
$newsnamespace = MWNamespace::getSubject( $this->newTitle->getNamespace() );
if ( $oldsnamespace != $newsnamespace || $oldtitle != $newtitle ) {