scm_c_bind_keyword_arguments ("begin-scene", rest, (scm_t_keyword_arguments_flags)0,
scm_from_utf8_keyword ("back-buffer"), &back_buffer,
scm_c_bind_keyword_arguments ("begin-scene", rest, (scm_t_keyword_arguments_flags)0,
scm_from_utf8_keyword ("back-buffer"), &back_buffer,