anchor.diff:          _ -> msg(io_lib:format(" Unknown types: ~p\n", [ExtTypes]))
         end
     end,
  -  StrippedCG.
  +  StrippedCG0.
   
   -spec get_external([{mfa(), mfa()}], plt()) -> [mfa()].
   
  
positive.code:   CS6 = dialyzer_codeserver:insert_temp_exported_types(MergedExpTypes, CS5),
    Ex_Funcs = [{0,F,A} || {_,_,{F,A}} <- cerl:module_exports(Tree)],
    TmpCG = Analysis#analysis.callgraph,
    CG = dialyzer_callgraph:scan_core_tree(Tree, TmpCG),
    Fun = fun analyze_one_function/2,
    All_Defs = cerl:module_defs(Tree),
    Acc = lists:foldl(Fun, #tmpAcc{file = File, module = Module}, All_Defs),
  
negative.code: 
  remove_external(CallGraph, PLT) ->
    {StrippedCG0, Ext} = dialyzer_callgraph:remove_external(CallGraph),
    case get_external(Ext, PLT) of
      [] -> ok;
      Externals ->
  