It didn't take me long to realise that the new "sub-page" option was causing confusion: it was too easy for people to make unwanted pages inadvertently! I've now altered it so that:
The amended Help file about sub-pages is here, and other related Help files have been changed to correspond.
Aplologies for producing a "trap for the unwary": I hope the new version will be more satisfactory.
Susan Jones
January 2010