"Claire Petersky" wrote

One neither top-posts nor bottom-posts. Instead, the correct way to reply
is to trim the previous post to just the points you wish to address, and
to intersperse comments appropriately.

AhHa! Thank you, Claire. (Now if I can just get the hang of operating this
irritating machine.) And thanks to all who replied. Those links are keeping
me occupied through an otherwise gloomy winter.

-- Karl