parsePrefix :: CharParser st Prefix
parsePrefix = do
    pkeyword "@prefix"
    p <- skips (option "" prefix << char ':')
    i <- skips uriP
    skips $ char '.'
    return $ Prefix p i
parsePrefix :: CharParser st Prefix
parsePrefix = do
    pkeyword "@prefix"
    p <- skips (option "" prefix << char ':')
    i <- skips uriP
    skips $ char '.'
    return $ Prefix p i
parsePrefix = do
    pkeyword "@prefix"
    p <- skips (option "" prefix << char ':')
    i <- skips uriP
    skips $ char '.'
    return $ Prefix p i