anchor.diff:          undefined -> [];
           Heads ->
               BucketLink = lists:flatten(format_link(Prefix, B)),
  -            {ok, Re} = re:compile("</([^/]+)/([^/]+)/([^/]+)>; riaktag=\"([^\"]+)\""),
  +            {ok, Re} = re:compile("</([^/]+)/([^/]+)/([^/]+)>;(\ )?riaktag=\"([^\"]+)\""),
               lists:map(
                 fun(L) ->
                         {match,[InPrefix,Bucket,Key,Tag]} =
  
positive.code:             {undefined, RD, Ctx}
      end.
  
  %% @spec last_modified(reqdata(), context()) -> 
  %%          {undefined|datetime(), reqdata(), context()}
  %% @doc Get the last-modified time for this resource.
  %%      Bucket requests will have no last-modified time.
  
negative.code: %%
  %% GET /Prefix/Bucket/Key
  %%   Get the data stored in the named Bucket under the named Key.
  %%   Content-type of the response will be whatever incoming
  %%   Content-type was used in the request that stored the data.
  %%   Additional headers will include:
  %%     X-Riak-Vclock: The vclock of the object.
  