diff -r e4ec01f1a4cd -r 852361980706 lemon/lp_skeleton.h
--- a/lemon/lp_skeleton.h	Tue Apr 08 15:16:16 2008 +0000
+++ b/lemon/lp_skeleton.h	Tue Apr 08 16:01:28 2008 +0000
@@ -32,9 +32,9 @@
   protected:
 
     ///\e
-    virtual LpSolverBase &_newLp();
+    virtual LpSolverBase* _newLp();
     ///\e
-    virtual LpSolverBase &_copyLp();
+    virtual LpSolverBase* _copyLp();
     /// \e
     virtual int _addCol();
     /// \e