anchor.diff:                  %% erl flag (ignore it)
                   parse(Args, Options);
   
  +        "pa" ->
  +            NewOptions = keyAppend('pa', 1, Options, Param),
  +            parse(Args, NewOptions);
  +
  +        "pz" ->
  +            NewOptions = keyAppend('pa', 1, Options, Param),
  +            parse(Args, NewOptions);
  +
           Other ->
               Msg = io_lib:format("unrecognised concuerror flag: -~s", [Other]),
               {'error', 'arguments', Msg}
  
positive.code:     concuerror_util:timer_destroy(),
      'true'.
  
  %% Parse command line arguments
  parse([], Options) ->
      Options;
  
negative.code:      "  -t|--target module function [args]\n"
       "                          Specify the function to execute\n"
       "  -f|--files  modules     Specify the files (modules) to instrument\n"
       "      -pa     Dir         Add Dir to the beginning of the code path\n"
       "      -pz     Dir         Add Dir to the end of the code path\n"
       "  -o|--output file        Specify the output file (default results.txt)\n"
       "  -p|--preb   number|inf  Set preemption bound (default is 2)\n"
       "  -I          include_dir Pass the include_dir to concuerror\n"
  