X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finstrument-name-engraver.cc;h=d339fbce612e94c19638c33ed0da5c532b07f89b;hb=85e78f77fdceb5b073bb2c5696c3117a5b1c220e;hp=41c68a5a14c099f974d57db6054e92c8dfd51d63;hpb=d2762a4f1add2bb04d6fc34d3c7ae03eeb7d500f;p=lilypond.git

diff --git a/lily/instrument-name-engraver.cc b/lily/instrument-name-engraver.cc
index 41c68a5a14..d339fbce61 100644
--- a/lily/instrument-name-engraver.cc
+++ b/lily/instrument-name-engraver.cc
@@ -89,8 +89,8 @@ Instrument_name_engraver::consider_start_spanner ()
   if ((Text_interface::is_markup (long_text)
        || Text_interface::is_markup (short_text))
       && (!text_spanner_
-          || short_text_ != short_text
-          || long_text_ != long_text))
+          || !scm_is_eq (short_text_, short_text)
+          || !scm_is_eq (long_text_, long_text)))
     {
       if (text_spanner_)
         stop_spanner ();
@@ -107,7 +107,7 @@ Instrument_name_engraver::start_spanner ()
 {
   text_spanner_ = make_spanner ("InstrumentName", SCM_EOL);
 
-  Grob *col = Grob::unsmob (get_property ("currentCommandColumn"));
+  Grob *col = unsmob<Grob> (get_property ("currentCommandColumn"));
   text_spanner_->set_bound (LEFT, col);
   text_spanner_->set_property ("text", short_text_);
   text_spanner_->set_property ("long-text", long_text_);
@@ -115,7 +115,7 @@ Instrument_name_engraver::start_spanner ()
   /*
     UGH, should handle this in Score_engraver.
   */
-  Grob *system = Grob::unsmob (get_property ("rootSystem"));
+  Grob *system = unsmob<Grob> (get_property ("rootSystem"));
   if (system)
     Axis_group_interface::add_element (system, text_spanner_);
   else
@@ -133,7 +133,7 @@ Instrument_name_engraver::acknowledge_axis_group (Grob_info info)
       && !info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface"))
       && !info.grob ()->internal_has_interface (ly_symbol2scm ("piano-pedal-interface"))
       && !info.grob ()->internal_has_interface (ly_symbol2scm ("volta-interface"))
-      && (!Align_interface::has_interface (info.grob ())))
+      && (!has_interface<Align_interface> (info.grob ())))
     {
       if (Page_layout_problem::is_spaceable (info.grob ()))
         axis_groups_.push_back (info.grob ());
@@ -164,7 +164,7 @@ Instrument_name_engraver::stop_spanner ()
                                        axis_groups_[i]);
 
   text_spanner_->set_bound (RIGHT,
-                            Grob::unsmob (get_property ("currentCommandColumn")));
+                            unsmob<Grob> (get_property ("currentCommandColumn")));
 
   Pointer_group_interface::set_ordered (text_spanner_,
                                         ly_symbol2scm ("elements"),