Bill Moseley wrote:
I doubt you have the word asdfghjklpoiuytrewq in your index.

I must be asleep today! That made me chuckle. Thanks.

(That said, I haven't done much actual searching with SWISH and I didn't 
realise that using "not" in that context would have that effect - of course 
it is obvious now I think about it.)

Chris Humphries