anchor.diff:  
       EndTime =  element(2, lists:last(DrawTrace)),
   
  +    case 565 < (EndTime div ScaleX) of
  +        true -> io:format("Warning: trace (~pcm) will be to wide for LaTeX (max. 565cm).~n",
  +                          [EndTime div ScaleX]);
  +        false -> ok
  +    end,
       %% draw nodes and timelines
       _ = lists:foldl(
             fun(X, Acc) ->
  
positive.code: % @copyright 2012 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.
  
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().
  