anchor.diff:              %% check on supported namespaces:
               %% - http://www.w3.org/TR/RC-xml-names#dt-prefix
               %% - although strict, not very forgiving towards clients
  -            %NS = H#xmlElement.namespace,
  -            %case NS#xmlNamespace.default of
  -            %    "" ->
  -            %        throw(400);
  -            %    _ -> ok
  -            %end,
  +            %%NS = H#xmlElement.namespace,
  +            %%case NS#xmlNamespace.default of
  +            %%    "" ->
  +            %%        throw(400);
  +            %%    _ -> ok
  +            %%end,
               Value = case H#xmlElement.content of
                           [C] when is_record(C,xmlText) -> C#xmlText.value;
                           _ -> ""
  
positive.code:     case F#file_info.type of
          directory -> {404,{executable, [{'xmlns',"http://apache.org/dav/props/"}], []}};
          _ ->
              % TODO check on extension for Windows?
              X = case F of
                      #file_info{mode=Mode} when Mode band 8#111 =/= 0 -> "T";
                      _ -> "F"
  
negative.code:     case lists:keysearch("Lock-Token", 3, Hs) of
          {value, {_,_,"Lock-Token",_,URL}} ->
              case URL of
                  %%"<opaquelocktoken:"++Token -> string:left(Token,36);
                  "<opaquelocktoken:"++Token ->
                      T = parse_locktoken(Token),
                      check_locktoken_format(T),
  