Subject: Q 5 (fwd)

> 
> Hi,
> for Q.5 ,
> Is "joe" as a sigle  ?

Yep.

> if so,how  can be {}?
> Could you give me an example for it, Thanks.
> (note: I know the zero occurrence is OK, but how it
> can be more than zero???)

The way I understand it, a phrase is:

   joe namath

   joe jim bob

I.e. a sequence of words. I was a bit confused by
this myself, but that's what the specification
seems to be saying.

/CC

___________________________________________________________________________
Christian Collberg      | Email: c_collberg@cs.auckland.ac.nz
Computer Science Dept   | Fax:   +64-9-373-7453
University of Auckland  | Phone: +64-9-373-7599 x 6137
Private Bag 92019,      | WWW:   http://www.cs.auckland.ac.nz/~collberg/
Auckland, NZ            |
___________________________________________________________________________
"Education is an admirable thing, but it is well to remember from time
to time that nothing that is worth knowing can be taught." - Oscar Wilde
___________________________________________________________________________



-- 
___________________________________________________________________________
Christian Collberg      | Email: c_collberg@cs.auckland.ac.nz
Computer Science Dept   | Fax:   +64-9-373-7453
University of Auckland  | Phone: +64-9-373-7599 x 6137
Private Bag 92019,      | WWW:   http://www.cs.auckland.ac.nz/~collberg/
Auckland, NZ            |
___________________________________________________________________________
"Education is an admirable thing, but it is well to remember from time
to time that nothing that is worth knowing can be taught." - Oscar Wilde
___________________________________________________________________________