/* 1. C comments should be deleted by the preprocessor */

/* 2. repeated expansion */
#define FOO 4
#define BAR FOO

f = BAR

/* 3. continuation lines in macros shouldn't give newlines */
#define LONG_MACRO \
{ putStr "Hello "; \
  putStrLn "World" }

g = do LONG_MACRO

/* 4. projection macros */
#define MACRO(x) x

h = MACRO(FOO)