anchor.diff:  		 {patch, 1},
   		 {build, ""}
   		]).
  +
  +-include("dlog.hrl").
   
   start_link() ->
       error_logger:info_msg("entering WALLAROO start_link/0 ~n", []),
  
positive.code: 	end,
      case wallaby_vcache:for_commit(Commit, V) of
  	ok ->
  	    % error_logger:warning_msg("put_tag SUCCESS with Name=~p; Commit=~p, CommitObj=~p, Tree=~p~n", [Name, Commit, CommitObj, Tree]),
  	    TagObj = StoreMod:store_tag(Name, wallaroo_tag:new(Commit, Anno, Meta)),
  	    {reply, TagObj, State};
  	{fail, _}=F ->
  
negative.code:     {reply, Obj, State};
  handle_call({put_tag, Name, Commit, Anno, Meta}, _From, {StoreMod}=State) ->
      CommitObj = get_commit(Commit, StoreMod),
      ?D_LOG("put_tag/4 Name=~p, Commit=~p, CommitObj=~p~n", [Name, Commit, CommitObj]),
      Tree = wallaroo_commit:get_tree(CommitObj, StoreMod),
      V = case orddict:find(validated, Meta) of
  	    {ok, true} ->
  