[PATCH] support $$vars and $$parms

[Frank Ch. Eigler]

Stan Cox <scox@redhat.com> writes:

> [...]
> $$vars expands to sprintf("%#x %#x %#x %#x\n", parm1, parm2, var1, var2)
> $$parms expands to sprintf("%#x %#x\n", parm1, parm2)
> [...]

Maybe $$locals would be handy too.

- FChE