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."
adaptation of the two-continuation implementation found in the paper
"Backtracking, Interleaving, and Terminating Monad Transformers"
available here: http://okmij.org/ftp/papers/LogicT.pdf.
ok ajacoutot@
