RE: `looking-back' strange warning

[Drew Adams]

> > But you have _not_ made it mandatory.  Have you?
> > And yet you issue a "warning" saying that it is mandatory
> 
> Oh, so now you want me to make it mandatory right away and
> break 99% of all existing users out there?

Mixed-up logic.  Only if the argument is mandatory should we
send a message that it is mandatory.  It's about the message.