Stephen Patterson asked about John Conover's code,
| What does the line starting * -3^0 do?
It doesn't just start that way; that's the whole line. I'm not just
correcting you, Stephen; that part is important.
The line subtracts three from the score unconditionally (technically, it adds
-3 to the score if the search area has at least one occurrence of the null
string). That way a message can score as much as +3 from the remaining
weighted conditions and still come out with a non-positive score and be con-
sidered a non-match; it forgives up to three points scored by the other con-
ditions, like a golfer's handicap.
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