anchor.diff:                   {exported,    F2#function.exported},
                    {label,       F2#function.label},
                    {description, F2#function.description}}}];
  -'#element#'(equiv, Data, _Attrs, _Parents, _E) ->
  -    {see, [Reference]} = lists:keyfind(see, 1, lists:flatten(Data)),
  +'#element#'(equiv, [Reference], _Attrs, _Parents, _E) ->
  +    debug(equiv, Reference),
       [{description, ?il2b([<<"See ">>, Reference])}];
   '#element#'(functions, Data, _Attrs, _Parents, _E) ->
       %% Functions are already extracted.
  
positive.code:     [{fmt, cleanup_lines(Data)} | Fmt];
  collect_loose_text([{fmt, Element} | T], [], Fmt) ->
      [{fmt, Element} | collect_loose_text(T, [], Fmt)];
  collect_loose_text([{fmt, Element} | T], Data, Fmt) ->
      Clean = cleanup_lines(?il2b(lists:reverse(Data))),
      case Clean of
  
negative.code:     %% Flatten all text content from child elements.
      [{description, ?il2b(Data)}];
  '#element#'(Tag, Data, _Attrs, _Parents, _E)
          when Tag =:= h1;
               Tag =:= h2;
               Tag =:= h3 ->
      {fmt, debug(inline, header(Tag, Data))};
  '#element#'(Tag, Data, _Attrs, _Parents, _E)
          when Tag =:= a;
               Tag =:= code;
               Tag =:= em;
               Tag =:= h4;
               Tag =:= h5;
               Tag =:= h6 ->
      debug('inline:before', Data),
      {inline, debug('inline:after', [ unwrap_inline(E) || E <- Data ])};
  '#element#'(Tag, Data, _Attrs, _Parents, _E) when
          Tag =:= p ->
      {fmt, debug(Tag, cleanup_lines(Data))};
  '#element#'(Tag, Data, _Attrs, _Parents, E) when
          Tag =:= pre ->
      {fmt, debug(Tag, Data)};
  '#element#'(Tag, Data, _Attrs, _Parents, _E) ->
      debug(discarded, {Tag, Data}),
      [].
  
  unwrap_inline({inline, Elements}) when is_list(Elements) -> Elements;
  unwrap_inline(IOList) when is_list(IOList) -> ?il2b(IOList);
  unwrap_inline(BString) when is_binary(BString) -> BString.
  
  debug(Tag, Content) ->
      docsh_lib:debug(Tag, "~s: ~p~n", [Tag, Content]),
  