1.1 --- a/lemon/maps.h	Thu Mar 17 00:35:33 2011 +0100
     1.2 +++ b/lemon/maps.h	Sun Apr 24 21:59:31 2011 +0200
     1.3 @@ -3252,7 +3252,7 @@
     1.4  
     1.5      virtual void add(const Key& key) {
     1.6        Parent::add(key);
     1.7 -      unlace(key);
     1.8 +      lace(key);
     1.9      }
    1.10  
    1.11      virtual void add(const std::vector<Key>& keys) {