def string_set(style, name, values):
    """Compute the ``string-set`` property."""
    # Spec asks for strings after custom keywords, but we allow content-lists
    return tuple(
        (string_set[0], _content_list(style, string_set[1]))
        for string_set in values)
Compute the ``string-set`` property.
weasyprint/css/computed_values.py