anchor.diff:  
   %% @private
   get_loglevels() ->
  -    [gen_event:call(lager_event, Handler, get_loglevel) ||
  +    [gen_event:call(lager_event, Handler, get_loglevel, infinity) ||
           Handler <- gen_event:which_handlers(lager_event)].
   
   %% @private
  
positive.code: %% @doc Get the loglevel for a particular backend. In the case that the backend
  %% has multiple identifiers, the lowest is returned
  get_loglevel(Handler) ->
      case gen_event:call(lager_event, Handler, get_loglevel) of
          X when is_integer(X) ->
              ?NUM2LEVEL(X);
          Y -> Y
  
negative.code: 
  %% @doc Set the loglevel for a particular backend.
  set_loglevel(Handler, Level) when is_atom(Level) ->
      Reply = gen_event:call(lager_event, Handler, {set_loglevel, Level}, infinity),
      %% recalculate min log level
      MinLog = minimum_loglevel(get_loglevels()),
      lager_mochiglobal:put(loglevel, MinLog),
  