- SCM sn = Text_interface::interpret_markup (me->get_layout ()->self_scm (), chain,
- scm_makfrom0str (to_string (num).to_str0 ()));
- SCM sd = Text_interface::interpret_markup (me->get_layout ()->self_scm (), chain,
- scm_makfrom0str (to_string (den).to_str0 ()));
+ SCM sn = Text_interface::interpret_markup (me->layout ()->self_scm (), chain,
+ scm_makfrom0str (to_string (num).c_str ()));
+ SCM sd = Text_interface::interpret_markup (me->layout ()->self_scm (), chain,
+ scm_makfrom0str (to_string (den).c_str ()));