anchor.diff:  %%%===================================================================
   %%% API
   %%%===================================================================
  +render(#occi_node{type=dir}=Node) ->
  +    Headers = render_dir(Node, orddict:new()),
  +    render_headers(Headers);
  +
   render(#occi_node{type=occi_query, data={Kinds, Mixins, Actions}}) ->
       lists:map(fun(Cat) -> 
  -		      [<<"Category: ">>, occi_renderer_text:render(Cat, "\n\t"), "\n"] 
  +		      [<<"category: ">>, occi_renderer_text:render(Cat, "\n\t"), "\n"] 
   	      end, Kinds ++ Mixins ++ Actions);
   
   render(#occi_node{type=occi_collection, data=Coll}) ->
  
positive.code: %%
  %% Private
  %%
  render_headers(Headers) ->
      occi_renderer:join(
        lists:map(fun (Name) -> 
  
negative.code: 			occi_renderer:join([Name, Value], ": ")
  		end, Values),
        "\n").
  