> From: "Neil W. Van Dyke" <nwv@xxxxxxx> > To: srfi-22@xxxxxxxxxxxxxxxxx > I'm pretty sure I've seen '90s-era workstation Unixen that don't > tolerate a space between the "#!" cookie and the pathname to the I have seen '80s-era mini-super computers that only worked _with_ a space. They read the first 4 bytes of a file to decide what to do with it.