Thanks, people, for your quick responses. I am assuming from the way in which both answers are worded that the "official" solution has not been published yet. I'll ask again next Sunday. I would guess that's when they are published?
Puzzle Rus, that is something new and interesting. However, I don't think I'll do it: I probably will not be using the "pound" symbol much anyway......Thankyou
Stewey-I now appreciate your problem. Still, on the odd occasion that you need to use the � sign, you could simply goto START>RUN and type in charmap, then press ENTER - this will present you with a table of odd characters, one of which is the � sign