diff -r bb77eaa8fa0e -r 6153d9cf78c6 src/hugo/default_map.h
--- a/src/hugo/default_map.h	Wed Sep 29 10:35:35 2004 +0000
+++ b/src/hugo/default_map.h	Wed Sep 29 14:02:14 2004 +0000
@@ -59,9 +59,12 @@
   : Parent(static_cast<const Parent&>(copy)) {} \
 template <typename TT> \
 DefaultMap(const DefaultMap<MapRegistry, TT>& copy) \
-  : Parent(*copy.getGraph()) { \
+  : { \
+  Parent::MapBase::operator= \
+    (static_cast<const typename Parent::MapBase&>(copy)); \
   if (Parent::getGraph()) { \
     for (typename Parent::KeyIt it(*Parent::getGraph()); it!=INVALID; ++it) {\
+      Parent::add(it); \
       Parent::operator[](it) = copy[it]; \
     } \
   } \