The following is valid µOCCAM. commentSTOP checks that the parser can recognise that the STOP keyword is actually part of the comment and should be ignored.
/public/cs3/web/ipptests-phase-1/commentSTOP.accept
INT anyold.number : INT anynew.number : PAR anyold.number := anynew.number + 1 STOP -- STOP .. can your parser recognise that keyword should be a comment?