anchor.diff:              ?N(Value);
   
           is_binary(Value) ->
  -            ecrepo_lib:quote(Value);
  +            ?Q(Value);
   
           true ->
               throw({badarg, Value})
  
positive.code:     Output.
  
  content2bin(Content, _) when is_binary(Content) ->
      ecrepo_lib:quote(Content);
  content2bin(Content, _) when is_number(Content) ->
      ?N(Content);
  content2bin(Content, Indent) ->
  
negative.code: -define(HEADER, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n").
  
  -define(N(Arg), ecrepo_xml:format_to_bin("~b", [Arg])).
  -define(Q(Arg), ecrepo_lib:quote(Arg)).
  
  document(RootElement) ->
      Output = elem(RootElement, 0),
  