1.1 --- a/lemon/unionfind.h	Tue Jul 15 18:43:41 2008 +0100
     1.2 +++ b/lemon/unionfind.h	Tue Jul 15 18:49:30 2008 +0100
     1.3 @@ -30,7 +30,7 @@
     1.4  #include <algorithm>
     1.5  #include <functional>
     1.6  
     1.7 -#include <lemon/bits/invalid.h>
     1.8 +#include <lemon/core.h>
     1.9  
    1.10  namespace lemon {
    1.11