[RFC] Wording of "catch syscall <number>" warning

[Tom Tromey]

>>>>> "Doug" == Doug Evans <dje@google.com> writes:

It is so hard to resist commenting on a warning thread.

Doug> One thing I don't like about my patch is that I'd rather only print
Doug> the warning once too.
Doug> So how about for now just enhancing the warning at start up, and not
Doug> printing anything later on.

I had assumed Joel meant to print the warning just the first time the
command is used.  That way users who never use the command will not see
the warning at all.

Tom