anchor.diff:          SaveDocsPid ! {self(), docs, Docs},
           open_doc_revs_loop(DbSource, SaveDocsPid, DocsRead + length(Docs));
       {Src, shutdown} ->
  -        Src ! {done, self(), [{docs_read, DocsRead}]}
  +        Src ! {done, self(), [{<<"docs_read">>, DocsRead}]}
       end.
   
   
  
positive.code:         ok = save_docs(DbTarget, Docs, []),
          save_docs_loop(DbTarget, DocsWritten + length(Docs));
      {Src, shutdown} ->
          Src ! {done, self(), [{docs_written, DocsWritten}]}
      end.
  
  
  
negative.code:                 RevsChecked + length(Revs),
                  MissingFound + length(MissingRevs));
      {Src, shutdown} ->
          Src ! {done, self(), [{<<"missing_checked">>, RevsChecked},
                                   {<<"missing_found">>, MissingFound}]}
      end.
      
  
  