anchor.diff:      set_els(Stanza, Els ++ Tags).
   
   -spec get_text([text()]) -> binary().
  -get_text([]) -> <<"">>;
  -get_text([#text{data = Data}|_]) -> Data.
  +get_text(Text) ->
  +    get_text(Text, <<"en">>).
  +
  +-spec get_text([text()], binary()) -> binary().
  +get_text(Text, Lang) ->
  +    get_text(Text, Lang, <<>>).
   
   -spec mk_text(reason_text()) -> [text()].
   mk_text(Text) ->
  -    mk_text(Text, <<"">>).
  +    mk_text(Text, <<"en">>).
   
   -spec mk_text(reason_text(), lang()) -> [text()].
   mk_text(<<"">>, _) ->
  
positive.code:     iolist_to_binary(io_lib:format(TranslatedFormat, Args));
  translate(Lang, Text) ->
      translate:translate(Lang, Text).
  
negative.code: 	 format_error/1, io_format_error/1, is_stanza/1,
  	 set_subtag/2, get_subtag/2, remove_subtag/2, has_subtag/2,
  	 decode_els/1, decode_els/3, pp/1, get_name/1, get_text/1,
  	 get_text/2, mk_text/1, mk_text/2, is_known_tag/1, is_known_tag/2,
  	 append_subtags/2, prep_lang/1]).
  
  %% XMPP errors
  -export([err_bad_request/0, err_bad_request/2,
  