Thank you both very much for your help; that was the problem. Stupid of me
(the answer came to me in the shower this morning as well). If anyone out
there in the developer community is listening, may I respectfully suggest
that PSQL's behavior --- to return nothing when Enter is hit - is
pathological. It would be so simple to return a message like "Waiting for
the end of the statement." and it would save novices like me a lot of very
unhappy hours.
Cheers,
John