Question Author
Well, actually., SWMBO subscribes and I tried to download it. It came up on the screen but the printed version came out without any black squares so I started to fill them in. But then I realised that I used to do this at primary school (or a variation) and that made me cross again (it was a very grumpy day). And, in any case, the clues wouldn't print out. I'll try to use the link that you have given, Lie-in King, but I suspect that SWMBO will be uptight if I try to do it today. She's not home yet but when she comes....
thank you all very much for your help and sympathy.
steven