anchor.diff:      %% TODO: For now using the default and the test directory include path.
       %%       In the future we have to provide a means for an externally
       %%       defined include path (like the erlc -I flag).
  -    case epp:parse_file(File, [?INCLUDE_DIR, filename:dirname(File)], []) of
  +    case epp:parse_file(File, [filename:dirname(File)], []) of
   	{ok, OldForms} ->
   	    ExpRecForms = erl_expand_records:module(OldForms, []),
   	    Tree = erl_recomment:recomment_forms(ExpRecForms, []),
  
positive.code: %%%----------------------------------------------------------------------
  %%% Definitions
  %%%----------------------------------------------------------------------
  
  -define(INCLUDE_DIR, filename:absname("include")).
  
  %% Instrumented auto-imported functions of 'erlang' module.
  -define(INSTR_ERLANG_NO_MOD,
  
negative.code:     %% Compilation of original file without emitting code, just to show
      %% warnings or stop if an error is found, before instrumenting it.
      log:log("Validating file ~p...~n", [File]),
      PreOptions = [strong_validation, verbose, return],
      case compile:file(File, PreOptions) of
  	{ok, Module, Warnings} ->
  	    %% Log warning messages.
  