X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fpage-marker.cc;h=02b9c4ad19e82c6a00b2a970ea5d098881820ed5;hb=b9040afd1dcfbee6b45bc3d54850ff50d51c8ee9;hp=1e393862e6b861b1a859602aee3b5a80e54ac927;hpb=c054eb280fd9953596eb164f67b0f9d5555c5a32;p=lilypond.git

diff --git a/lily/page-marker.cc b/lily/page-marker.cc
index 1e393862e6..02b9c4ad19 100644
--- a/lily/page-marker.cc
+++ b/lily/page-marker.cc
@@ -43,7 +43,7 @@ Page_marker::~Page_marker ()
 const char Page_marker::type_p_name_[] = "ly:page-marker?";
 
 SCM
-Page_marker::mark_smob ()
+Page_marker::mark_smob () const
 {
   scm_gc_mark (symbol_);
   scm_gc_mark (permission_);