anchor.diff:              clear_all_logs ->
                   remove_old_logs(Counter, FirstLog, 0),
                   ?MODULE:comet_loop(Counter, PageState#page_state{first_log = Counter});
  +            {set_source, Source} ->
  +                comet_loop(Counter, PageState#page_state{source = Source});
               {set_loglevel, Loglevel} ->
                   ?MODULE:comet_loop(Counter, PageState#page_state{loglevel = Loglevel});
               {set_max_logs, MaxLogs} ->
  
positive.code: }).
  
  % Widths of columns
  -define(SEVERITY_COLUMN_WIDTH, "width: 90px;").
  -define(TIME_COLUMN_WIDTH, "width: 180px;").
  -define(METADATA_COLUMN_WIDTH, "width: 300px;").
  
  % Prefixes used to generate IDs for logs
  -define(COLLAPSED_LOG_ROW_ID_PREFIX, "clr").
  
negative.code: 
  % Available options of max log count
  -define(MAX_LOGS_OPTIONS, [20, 50, 200, 500, 1000, 2000]).
  
  % Available options of logs source
  -define(SOURCE_LIST, [cluster, client, all]).
  
  
  %% Template points to the template file, which will be filled with content
  