function getThemeSupportedLanguages() {

		$return_value = false;

		$fullpath = get_stylesheet_directory() . '/theme-information.php';

		if ( is_file( $fullpath ) ) {

			require( $fullpath );

			if ( ! empty( $supported_languages ) ) {
				$return_value = $supported_languages;
			}
		} else {
			$return_value = get_theme_support( 'pressbooks_global_typography' );
		}

		return $return_value;
	}