anchor.diff:      unescape/1,
       strip/1,
   	sanitize/1,
  -	noscript/1
  +	noscript/1,
  +    escape_link/1,
  +    nl2br/1
   ]).
   
   -include_lib("zotonic.hrl").
  
positive.code: 
  
  %% @doc Escape a string so that it is valid within HTML/ XML.
  %% @spec escape(iolist()) -> iolist()
  escape(undefined) -> 
      undefined;
  escape(<<>>) -> 
      <<>>;
  escape([]) ->
      [];
  escape(L) when is_list(L) ->
      escape(list_to_binary(L));
  escape(B) when is_binary(B) ->
  
negative.code: 
  
  %% @doc Unescape - reverses the effect of escape.
  %% @spec escape(iolist()) -> binary()
  unescape(undefined) -> 
      undefined;
  unescape(<<>>) -> 
      <<>>;
  unescape([]) ->
      <<>>;
  unescape(L) when is_list(L) ->
      unescape(list_to_binary(L));
  unescape(B) when is_binary(B) ->
  