(Two-pass vertical spacing): add documentation for two-pass spacing

[lilypond.git] / lily / fall-engraver.cc

diff --git a/lily/fall-engraver.cc b/lily/fall-engraver.cc
index 5df614bb419c9720193bd8973b5c65633f99ab7b..b0751a31d54430edf98be4db79e050036ecbe0c4 100644 (file)
--- a/lily/fall-engraver.cc
+++ b/lily/fall-engraver.cc
@@ -8,6 +8,7 @@
 
 #include "engraver.hh"
 #include "item.hh"
+#include "moment.hh"
 #include "spanner.hh"
 #include "stream-event.hh"
 
@@ -92,7 +93,7 @@ IMPLEMENT_TRANSLATOR_LISTENER (Bend_after_engraver, bend_after);
 void
 Bend_after_engraver::listen_bend_after (Stream_event *ev)
 {
-  fall_event_ = ev;
+  ASSIGN_EVENT_ONCE (fall_event_, ev);
 }
 
 void