anchor.diff:  
   file_exists(Context, Name) ->
       NamePath = file_path(Context, Name),
  -    case filelib:is_regular(NamePath) of 
  +    case filelib:is_regular(NamePath) of
           true ->
               {true, NamePath};
           false ->
  
positive.code:     end.
  
  provide_content(ReqData, Context) ->
      case maybe_fetch_object(Context, wrq:disp_path(ReqData)) of 
          {true, NewContext} ->
              Body = NewContext#context.response_body,
              {Body, ReqData, Context};
  
negative.code: 
  resource_exists(ReqData, Context) ->
      Path = wrq:disp_path(ReqData),
  
      FullPath =
          case mochiweb_util:safe_relative_path(Path) of
            undefined ->
              [];
            SafeName ->
              SafeName
          end,
      case file_exists(Context, FullPath) of
          {true, _} ->
              {true, ReqData, Context};
          _ ->
              case FullPath of
                  "p" -> {true, ReqData, Context};
                  _ -> {false, ReqData, Context}
              end
  