--- src/Page.cpp.orig	Mon Aug  4 17:22:29 2003
+++ src/Page.cpp	Mon Aug  4 17:22:51 2003
@@ -28,6 +28,7 @@
 #include "Namer.h"
 #include "Macros.h"
 #include "Presentation.h"
+#include <cassert>
 #include <iostream>
 
 using namespace std;