COMMENT(
  Your Own Document Language
  http://yodl.sourceforge.net/
)

DEFINECOUNTER(beer)(99)

DEFINEMACRO(bottles)(0)(\
  IFGREATER(beer)(1)(\
     COUNTERVALUE(beer) bottles\
  )(\
     IFGREATER(beer)(0)(\
        1 bottle\
     )(\
        no more bottles\
     )\
  )\
)

DEFINEMACRO(lin