X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgrob-pq-engraver.cc;h=a9fa75eda51d9708252519adc7f7e34b89ad9927;hb=97a0169312a260933246ab224e4f8b0969871dd5;hp=4c388c5145baead6ccea5c20d3503dea18a2fe70;hpb=dbaf1e56e37be0e204231c5bf1adcb14bd8ac3b8;p=lilypond.git

diff --git a/lily/grob-pq-engraver.cc b/lily/grob-pq-engraver.cc
index 4c388c5145..a9fa75eda5 100644
--- a/lily/grob-pq-engraver.cc
+++ b/lily/grob-pq-engraver.cc
@@ -42,7 +42,7 @@ public:
   TRANSLATOR_DECLARATIONS (Grob_pq_engraver);
 protected:
   virtual void initialize ();
-  DECLARE_ACKNOWLEDGER (grob);
+  void acknowledge_grob (Grob_info);
   void start_translation_timestep ();
   void stop_translation_timestep ();
   void process_acknowledged ();
@@ -50,7 +50,8 @@ protected:
   vector<Grob_pq_entry> started_now_;
 };
 
-Grob_pq_engraver::Grob_pq_engraver ()
+Grob_pq_engraver::Grob_pq_engraver (Context *c)
+  : Engraver (c)
 {
 }
 
@@ -144,7 +145,7 @@ Grob_pq_engraver::start_translation_timestep ()
       busy = scm_cdr (busy);
     }
 
-  if (start_busy != busy)
+  if (!scm_is_eq (start_busy, busy))
     context ()->set_property ("busyGrobs", busy);
 }