anchor.diff:  app_applications(AppFile) ->
       case load_app_file(AppFile) of
           {ok, _, AppInfo} ->
  -            proplists:get_value(applications, AppInfo);
  +            get_value(applications, AppInfo, AppFile);
           {error, Reason} ->
               ?ABORT("Failed to extract applications from ~s: ~p\n",
                      [AppFile, Reason])
  
positive.code:         {AppName, AppData} ->
              {ok, AppName, AppData}
      end.
  
negative.code: app_vsn(AppFile) ->
      case load_app_file(AppFile) of
          {ok, _, AppInfo} ->
              get_value(vsn, AppInfo, AppFile);
          {error, Reason} ->
              ?ABORT("Failed to extract vsn from ~s: ~p\n",
                     [AppFile, Reason])
  