anchor.diff:                              #mfile{
                                   filepath=F, 
                                   name=z_convert:to_atom(scan_remove_prefix_ext(F, PrefixLen, Extension)),
  +                                module=Module,
                                   erlang_module=opt_erlang_module(F, Extension),
  -                                module=Module,
                                   prio=z_module_manager:prio(Module)
                               }
                               || F <- Files 
  
positive.code:         Basename = filename:basename(Filename, Ext),
          lists:nthtail(PrefixLen, Basename).
  
      opt_erlang_module(Filename, ".erl") ->
          list_to_atom(filename:basename(Filename, ".erl"));
      opt_erlang_module(_Filename, _Ext) ->
          undefined.
  
  
  
negative.code:                         ua_class=UAClass
                      },
                      module=Mod,
                      erlang_module=ErlMod,
                      filepath=FP,
                      tag=Tag
                  },
  