anchor.diff:  	{{Y-N,M,D},Time}.
   
   
  -
   append(Input, undefined, _Context) ->
       Input;
   append(undefined, Append, _Context) ->
  
positive.code:     urlencode1(Input, []);
  urlencode(_Input, _Context) ->
      <<>>.
  
  yesno(B, _Context) ->
      case erlydtl_runtime:is_false(B) of
  
negative.code: 	z_string:truncate(erlydtl_runtime:to_list(In, Context), z_convert:to_integer(N)).
  
  
  unescape(undefined, _Context) ->
  	<<>>;
  unescape(In, _Context) ->
  	z_html:unescape(In).
  
  
  upper(undefined, _Context) ->
      undefined;
  upper(Input, _Context) when is_list(Input) or is_binary(Input) ->
  