On Jul 26, 2011, at 2:03 PM, Keith Roberts <keith at karsites.net> wrote: > On Tue, 26 Jul 2011, Always Learning wrote: > > *snip* > >> Programmes that abort because of bad data are defective programmes and >> need rectification. No good programmer ever accepts that other people's >> data will always be valid. > > +1 I might add that no good programmer should accept ANY data as valid without verification. Theirs, ours, we're all human and make errors. -Ross