MIDI: in #'staff mapping mode, keep to one channel. Fixes #1620.

[lilypond.git] / lily / midi-chunk.cc

diff --git a/lily/midi-chunk.cc b/lily/midi-chunk.cc
index 9c2a4bdf100caa46ed90e19b5a4f8dc8b007131a..0aa11eb5497bc388f83b7e323217d46ab9705cbb 100644 (file)
--- a/lily/midi-chunk.cc
+++ b/lily/midi-chunk.cc
@@ -110,7 +110,6 @@ Midi_event::to_string () const
 {
   string delta_string = int2midi_varint_string (delta_ticks_);
   string midi_string = midi_->to_string ();
-  assert (midi_string.length ());
   return delta_string + midi_string;
 }
 /****************************************************************