1 This "unlit" program, used by the GHC driver, is originally by Mark
2 Jones (then at Oxford). It is taken in its present form *directly*
3 from the LML/HBC distribution (from Chalmers).
5 We are grateful for this piece of shared code.
7 For more "powerful" swizzling of literate scripts, please see the
8 "literate" stuff from Glasgow.