yylval.scm = get_music_function_transform (sid);
SCM s = scm_object_property (yylval.scm, ly_symbol2scm ("music-function-signature"));
- push_extra_token (EXPECT_NO_MORE_ARGS);
for (; scm_is_pair (s); s = scm_cdr (s))
{
if (scm_car (s) == ly_music_p_proc)