anchor.diff:  		 ?AST(_val)], none, [Catch]),
       [erl_syntax:function(erl_syntax:atom(FunName), [Clause1, Clause2])].
   
  +make_encoding_MFA(_, <<"xmlns">>, _, _, _) ->
  +    [];
   make_encoding_MFA(Parents, AttrName, Required, AttrDefault, EncMFA) ->
       Clause1 = if Required ->
                         [];
  
positive.code: 					  ?AST(__IgnoreEls),
  					  ?AST(_els)|CDataVars ++ ElemVars] ++
  					     [erl_syntax:list(
  						[?AST(decode(_el))],
  						label_to_var('$_els'))])]),
  				    erl_syntax:clause(
  				      [?AST(false)],
  
negative.code:                           {enc_int, 1} -> true;
                            {enc_enum, 1} -> true;
                            {get_attr, 2} -> true;
  			  {choose_top_xmlns, 3} -> true;
  			  {enc_xmlns_attrs, 2} -> true;
                            _ -> false
                        end
                end, AbsCode);
  