most of the 2.X->3.0 commit (up to rev 4299) except for gtk2_ardour/editor_canvas...
[ardour.git] / libs / pbd / pbd / command.h
index a66485bc0da179157104b2fb8e248e254db3d05c..3fac531591ec95520842f49c1356ff8f06f8e02f 100644 (file)
@@ -26,7 +26,7 @@
 class Command : public PBD::StatefulDestructible
 {
 public:
-       virtual ~Command() {}
+       virtual ~Command() { /* NOTE: derived classes must call drop_references() */ }
 
        virtual void operator() () = 0;