Doc: External.itely - Add lyluatex

[lilypond.git] / lily / book.cc

diff --git a/lily/book.cc b/lily/book.cc
index 8ba2aac9080432144e58aa035a70575871dd7b50..cb145f0436d12f36ab1617bde76d274ac524eade 100644 (file)
--- a/lily/book.cc
+++ b/lily/book.cc
@@ -32,7 +32,7 @@ using namespace std;
 #include "performance.hh"
 #include "paper-score.hh"
 #include "page-marker.hh"
-
+#include "ly-module.hh"
 
 Book::Book ()
 {
@@ -107,7 +107,7 @@ Book::~Book ()
 
 
 SCM
-Book::mark_smob ()
+Book::mark_smob () const
 {
   if (paper_)
     scm_gc_mark (paper_->self_scm ());