function getSpecialPageAliases() {
		// Cache aliases because it may be slow to load them
		if ( is_null( $this->mExtendedSpecialPageAliases ) ) {
			// Initialise array
			$this->mExtendedSpecialPageAliases =
				self::$dataCache->getItem( $this->mCode, 'specialPageAliases' );
			wfRunHooks( 'LanguageGetSpecialPageAliases',
				array( &$this->mExtendedSpecialPageAliases, $this->getCode() ) );
		}

		return $this->mExtendedSpecialPageAliases;
	}