quotes() ->
    S = """
        "I always have a quotation for everything -
        it saves original thinking." - Dorothy L. Sayers

        "Real stupidity beats artificial intelligence every time."
        - Terry Pratchett
        """,
    io:put_chars(S),
    io:nl().

effect_warning() ->
    """
    f() ->
        %% Test that the compiler warns for useless tuple building.
        {a,b,c},
        ok.
    """.

extra_delim() ->
    """""
    """"
    """"".
