release: 1.2.13

[lilypond.git] / lily / music-wrapper-iterator.cc

diff --git a/lily/music-wrapper-iterator.cc b/lily/music-wrapper-iterator.cc
index 7d34f9218fa4b5bf21742161ae20a410882287c0..1f89d771c6740413f9d5c1b5db101fd23399d81a 100644 (file)
--- a/lily/music-wrapper-iterator.cc
+++ b/lily/music-wrapper-iterator.cc
@@ -40,7 +40,7 @@ Music_wrapper_iterator::~Music_wrapper_iterator ()
 bool
 Music_wrapper_iterator::ok () const
 {
-  return child_iter_p_->ok ();
+  return child_iter_p_ && child_iter_p_->ok ();
 }
 
 void
@@ -50,9 +50,16 @@ Music_wrapper_iterator::do_process_and_next (Moment m)
   Music_iterator::do_process_and_next (m);
 }
 
+
 Moment
 Music_wrapper_iterator::next_moment () const
 {
   return child_iter_p_->next_moment ();
 }
 
+
+Music_iterator*
+Music_wrapper_iterator::try_music_in_children (Music const *m) const
+{
+  return child_iter_p_->try_music (m);
+}