public static boolean absolutePathnameP(String pathname) {
    { char separator = Stella.directorySeparator();

      if (Stella.logicalPathnameP(pathname)) {
        separator = Stella.LOGICAL_DIRECTORY_SEPARATOR;
      }
      pathname = Stella.logicalPathnameWithoutHost(pathname);
      return ((pathname.length() > 0) &&
          (pathname.charAt(0) == separator));
    }
  }