anchor.diff:  get(Name, Default) when is_list(Name) ->
       EnvName = "AMOC_" ++ Name,
       case get_from_env(EnvName) of
  -        false ->
  +        env_not_found ->
               Default;
           Value ->
               Value
  
positive.code: get(Name, Default) when is_atom(Name) ->
      EnvName = "AMOC_" ++ erlang:atom_to_list(Name),
      case get_from_env(EnvName) of
          false ->
              application:get_env(amoc, Name, Default);
          Value ->
              Value
  
negative.code: get_from_env(EnvName) ->
      case os:getenv(EnvName) of
          false ->
              env_not_found;
          Value ->
              parse_value(Value)
      end.
  