anchor.diff:  %% "Cannot load data bag item not_really_there for data bag sack"
   
   
  -error_message_envelope(Message) when is_binary(Message) ->
  +error_message_envelope(Message) when is_binary(Message) orelse
  +                                     is_tuple(Message) ->
  +    %% Tuple guard added to accommodate depsolver messages.  This is part of an ongoing
  +    %% refactor, and may not ultimately be necessary.
       {[{<<"error">>, [Message]}]}.
   
   %% @doc Converts the given Ejson-encoded data to a JSON string and
  
positive.code: set_json_body(Req, EjsonData) ->
      Json = ejson:encode(EjsonData),
      wrq:set_resp_body(Json, Req).
  
  %% @doc Append a JSON map item to the request body and
  %% set it as the new request body, returning the updated request.
  
negative.code:          object_name/2,
           set_json_body/2,
           set_uri_of_created_resource/1,
           set_uri_of_created_resource/2,
           with_error_body/2]).
  
  -include("chef_wm.hrl").
  
  