format ( data,  write )

Pass formatted data to write()

getOpening ( closing,  memo )

Possible opening characters for this match, based on closing

parse (
        input,
        produce,
        startState,
        )

Parse input at startState, call produce(result), return state

Return a ParseError instance if no match

withTerminators ( terminators,  memo )

Return a version of this syntax using the specified terminators