*operation* void initializeMarks()
*wrapper* Cd_graph
*prefix*
(@
   adjacencies->initializeMarks();
@)
*wrapper* Adjacency_Nlist
*prefix*
(@
      static DemString* nullstring = new DemString("");
      Adjacency_list_iterator  next(*this);
      Adjacency_               each;
      while (each = next())
         each->initializeMarks(nullstring);
@)

*operation* void initializeMarks(DemString* nullstring)
*wrapper* Adjacency
*prefix*
(@
    if (propagate)
       propagate->g_delete();
    if (generated)
       generated->g_delete();
    if (tempmark)
       tempmark->g_delete();
    emptyMethod = 0;

    propagate = (DemString*)nullstring->g_copy();
    generated = (DemString*)nullstring->g_copy();
    tempmark =  (DemString*)nullstring->g_copy();
    ns->initializeMarks(nullstring);
    if (superclasses)
	superclasses->initializeMarks(nullstring);
@)
*wrapper* Vertex_List
*prefix*
(@
     Vertex_list_iterator next(*this);
     Vertex*              each;

     while (each = next())
     {
        if (each->get_call())
           each->get_call()->g_delete();
        if (each->get_bypassing())
           each->get_bypassing()->g_delete();
        each->set_bypassing((DemString*)nullstring->g_copy());
        each->set_call((DemString*)nullstring->g_copy());
     }
@)
*wrapper* Neighbors
*prefix*
(@
@)
*wrapper* Neighbors_wc
*prefix*
(@
@)
*wrapper* Construct_ns
*prefix*
(@
   this->get_construct_ns()->initializeMarks(nullstring);
@)
*wrapper* Alternat_ns
*prefix*
(@
   if (this->get_alternat_ns())
      this->get_alternat_ns()->initializeMarks(nullstring);
   this->get_construct_ns()->initializeMarks(nullstring);
@)
*wrapper* Repetit_n
*prefix*
(@
   if (sandwiched)
      sandwiched->initializeMarks(nullstring);
@)
*wrapper* Kernel_Sandwich
*prefix*
(@
   inner->initializeMarks(nullstring);
@)
*wrapper* Kernel
*prefix*
(@
   repeated->initializeMarks(nullstring);
@)
*wrapper* Any_vertex_List
*prefix*
(@
      Any_vertex_list_iterator next(*this);
      Any_vertex_              each;
      while (each = next())
          each->initializeMarks(nullstring);
@)
*wrapper* Any_vertex
*prefix*
(@
    if (this->get_call())
       this->get_call()->g_delete();
    if (this->get_bypassing())
       this->get_bypassing()->g_delete();
    this->set_call((DemString*)nullstring->g_copy());
    this->set_bypassing((DemString*)nullstring->g_copy());
@)
*wrapper* Optional_term
*prefix*
(@
   opt->initializeMarks(nullstring);
@)
*wrapper* Opt_labeled_term_Sandwich
*prefix*
(@
   inner->initializeMarks(nullstring);
@)
*wrapper* Term_Barlist
*prefix*
(@
     Term_list_iterator   next(*this);
     Term_                each;
     while (each = next())
     {
          if (each->get_call())
             each->get_call()->g_delete();
          if (each->get_bypassing())
             each->get_bypassing()->g_delete();
          each->set_call((DemString*)nullstring->g_copy());
          each->set_bypassing((DemString*)nullstring->g_copy());
     }
@)
*wrapper* Term_Sandwich
*prefix*
(@
     if (inner->get_call())
        inner->get_call()->g_delete();
     if (inner->get_bypassing())
        inner->get_bypassing()->g_delete();
     inner->set_call((DemString*)nullstring->g_copy());
     inner->set_bypassing((DemString*)nullstring->g_copy());
@)