anchor.diff:       'encoding'               => utf8,
        'escape-uri-attributes'  => false,
        'html-version'           => 5.0,
  -     'include-content-type'   => false,
  +     'include-content-type'   => true,
        'indent'                 => false,
        'item-separator'         => <<>>,
        'json-node-output-method'=> xml,
  
positive.code:                    end
               end,
                     
     if O == false, Standalone == omit ->
           <<DocType/binary, "<?xml version=\"1.0\" encoding=\"",Enc/binary,"\"?>">>;
        Standalone == true, Wellformed == false ->
           ?err('SEPM0004');
        Wellformed == false, D =/= <<>> ->
           ?err('SEPM0004');
        O == false, Standalone == true ->
           <<DocType/binary, "<?xml version=\"1.0\" encoding=\"",Enc/binary,"\" standalone=\"yes\"?>">>;
        O == false ->
           <<DocType/binary, "<?xml version=\"1.0\" encoding=\"",Enc/binary,"\" standalone=\"no\"?>">>;
        true ->
           DocType
     end.
  
negative.code:                  {Ref,0}, {<<>>,<<>>,<<"content">>}, ContText, 
                   false, false, none),
     Meta = xqldb_mem_nodes:element({Ref,0}, {Ns,<<>>,<<"meta">>}, none),
     Meta1 = xqldb_mem_nodes:add_attribute(Meta, Content),
     Meta2 = xqldb_mem_nodes:add_attribute(Meta1, HttpEquiv),
     Meta3 = xqldb_mem_nodes:add_children(Meta2, []),
     #{ch := Ch} = Elem1 = delete_old_meta(Elem),
     Elem1#{ch := [Meta3|Ch]};
  