Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/libraries/parsec/examples/Mondrian/test.m
package Koe { Id =\x -> /* multi-line Comment_ */ x // the identity function ; K = \x -> \y_ -> x ;fac = \n -> case n of { n -> n ; n -> let { m = minus n 1 } in times n (fac m) } ; class Hi extends Mondrian { x = 2} }