and the line with the unregister.sh script down to the bottom of
the plist. Silences all the blurb about ".../*.haddock doesn't exist
or isn't a file."
allow the use of paths relative to it. FindBin supports invocation
of Haskell programs via "ghci", via "runhaskell/runghc", as well
as compiled as an executable.
"to ahead, please" espie@