* VERSION (MY_PATCH_LEVEL): make 1.7.0

[lilypond.git] / lily / item.cc

diff --git a/lily/item.cc b/lily/item.cc
index 12d4d48a47c238576b82f771b6e980c88aa06624..77083104e06e4c2cf86f052592a52f263ccf5d77 100644 (file)
--- a/lily/item.cc
+++ b/lily/item.cc
@@ -174,7 +174,7 @@ Item::handle_prebroken_dependencies ()
 }
 
 SCM
-Item::do_derived_mark ()
+Item::do_derived_mark ()const
 {
   if (broken_to_drul_[LEFT])
     scm_gc_mark (broken_to_drul_[LEFT]->self_scm ());