non_note_cmp      382 notes.c        	if (non_note_cmp(p, n) < 0)
non_note_cmp      384 notes.c        	else if (non_note_cmp(t->first_non_note, n) <= 0)
non_note_cmp      394 notes.c        	while (p->next && non_note_cmp(p->next, n) <= 0)
non_note_cmp      397 notes.c        	if (non_note_cmp(p, n) == 0) { /* n ~= p; overwrite p with n */