scm_c_bind_keyword_arguments ("add-image!", rest, (scm_t_keyword_arguments_flags)0,
scm_from_utf8_keyword ("use_alpha_channel"), &use_alpha_channel,
scm_c_bind_keyword_arguments ("add-image!", rest, (scm_t_keyword_arguments_flags)0,
scm_from_utf8_keyword ("use_alpha_channel"), &use_alpha_channel,