*** expand.c    Tue Jan  2 10:18:17 2007
--- expand.c    Wed Jan  3 10:15:46 2007
***************
*** 5499,5504 ****
--- 5499,5505 ----
  
  errno = 0;
  expand_string_message = NULL;               /* Indicates no error */
+ if (*s == 0) return 0;
  value = strtol(CS s, CSS &endptr, 0);
  
  if (endptr == s)