anchor.diff: -% @copyright 2012 Zuse Institute Berlin
  +% @copyright 2012-2013 Zuse Institute Berlin
   
   %   Licensed under the Apache License, Version 2.0 (the "License");
   %   you may not use this file except in compliance with the License.
  
positive.code:                   io:format(File,
                              "\\draw[color=gray,very thin] (0, -~p) -- (~pcm, -~p);~n",
                              [length(Acc)/2, (EndTime+10)/ScaleX, length(Acc)/2]),
                    [X | Acc]
            end,
            [], Nodes),
  
negative.code: -type time()         :: erlang_timestamp() | non_neg_integer().
  -type logger()       :: io_format                       %% | ctpal
                        | {log_collector, comm:mypid()}.
  -type pidinfo()      :: {comm:mypid(),
                           {pid_groups:groupname(), pid_groups:pidname()} |
                               no_pid_name |
                               non_local_pid_name_unknown}.
  -type anypid()       :: pid() | comm:mypid() | pidinfo().
  -type trace_id()     :: atom().
  