anchor.diff:      [Opts] ->
         case lists:keymember(as, 1, Opts) of
           true ->
  -          compile_error(Meta, ?m(E, file),
  -            ":as option is not supported by multi-alias call");
  +          form_error(Meta, ?m(E, file), ?MODULE, as_in_multi_alias_call);
           false ->
             expand_multi_alias_call(Kind, Meta, Base, Refs, Opts, E)
         end
  
positive.code:         end,
        {{OName, Meta, OArgs}, EA};
      _ ->
        compile_error(Meta, File, "super must be called with the same number of "
                      "arguments as the current definition")
    end;
  
  %% Vars
  
negative.code:   expand(Quoted, ET);
  
  expand({quote, Meta, [_, _]}, E) ->
    form_error(Meta, ?m(E, file), ?MODULE, invalid_args_for_quote);
  
  %% Functions
  
  