anchor.diff:  
   find_function_source_in_abstract_code(F, A, AbstractCode) ->
       %% Extract the original source filename from the abstract code
  -    [{attribute, _, file, {Source, _}} | _] = AbstractCode,
  +    [{attribute, _, file, {Source0, _}} | _] = AbstractCode,
  +    Source = rebar_dir:make_relative_path(Source0, rebar_dir:get_cwd()),
       %% Extract the line number for a given function def
       Fn = [E || E <- AbstractCode,
                  safe_element(1, E) == function,
  
positive.code: 
  display_xref_result_fun(Type) ->
      fun(XrefResult) ->
              {FormattedSource, SMFA, TMFA} =
                  case XrefResult of
                      {MFASource, MFATarget} ->
                          {format_mfa_source(MFASource),
  
negative.code:                          format_mfa(MFATarget),
                           undefined}
                  end,
              case Type of
                  undefined_function_calls ->
                      io_lib:format("~tsWarning: ~ts calls undefined function ~ts (Xref)\n",
  