- else if (gh_symbol_p (gl) && gl == ly_symbol2scm ("bracket")
- && gh_symbol_p (my_gl) && my_gl == ly_symbol2scm ("bracket"))
+ else if (gh_string_p (gl) && gh_equal_p (gl, ly_str02scm ("bracket"))
+ && gh_string_p (my_gl) && gh_equal_p (my_gl, ly_str02scm ("bracket")))