Issue 4997/7: Use Preinit for Global_context, protect output definition

[lilypond.git] / lily / include / context.hh

diff --git a/lily/include/context.hh b/lily/include/context.hh
index 468f612061707734ee3865faf8937cba06ea92ec..2555bfe2b49e0e26519c2a1eac630a148d5026b3 100644 (file)
--- a/lily/include/context.hh
+++ b/lily/include/context.hh
@@ -51,6 +51,7 @@ private:
   Stream_event *infant_event_;
 
 protected:
+  virtual void derived_mark () const;
   Context *daddy_context_;
   /* The used Context_def */
   SCM definition_;