e STLPLUS_PERSISTENT_NTREE
////////////////////////////////////////////////////////////////////////////////

//   Author:    Andy Rushton
//   Copyright: (c) Southampton University 1999-2004
//              (c) Andy Rushton           2004 onwards
//   License:   BSD License, see ../docs/license.html

//   Persistence of STLplus ntree

////////////////////////////////////////////////////////////////////////////////
#include &quot;persistence_fixes.hpp&quot;
#include &quot;persistent_contexts.hpp&quot;
#inclu