175. TRACE
     ~~~~~
An associate had cause to use this rarely-needed command. Having checked down
the screen, a point was reached at which he was sure his program worked, so
he knew the error was further down. Looking at the TRACE command he observed
that:

TRACE <line num.>

caused the computer to report only line numbers below <line num.>.

However, on entering the command he found that only lines ABOVE <line num.>
were reported. He had interpreted "BELOW" as meaning BELOW in the listing;
ie HIGHER line numbers. Evidently the message intended was that TRACE <line
num.> would cause the computer to report only line numbers LESS than <line
num.>.          - Work this one out!!