rsvg_return_if_fail_warning (const char *pretty_function, const char *expression, GError ** error)
{
    g_set_error (error, RSVG_ERROR, 0, _("%s: assertion `%s' failed"), pretty_function, expression);
}
rsvg_return_if_fail_warning (const char *pretty_function, const char *expression, GError ** error)
{
    g_set_error (error, RSVG_ERROR, 0, _("%s: assertion `%s' failed"), pretty_function, expression);
}