anchor.diff:  %% call_cgi calls the script `Scriptfilename' (full path).  If
   %% `Exefilename' is given, it is the executable to handle this,
   %% otherwise `Scriptfilame' is assumed to be executable itself.
  -%% 
  +%%
   %% Note however, that these functions usually generate stream content.
   %% (If you have good use for a version generating {content, _, _}
   %% instead, contact carsten@codimi.de)
  
positive.code: do_parse_spec(<<$=, Tail/binary>>, _Last, Cur, key) ->
      do_parse_spec(Tail, lists:reverse(Cur), [], value); %% change mode
  
  do_parse_spec(<<$%, $u, A:8, B:8,C:8,D:8, Tail/binary>>, 
  	       Last, Cur, State) ->
      %% non-standard encoding for Unicode characters: %uxxxx,		     
      Hex = yaws:hex_to_integer([A,B,C,D]),
      do_parse_spec(Tail, Last, [ Hex | Cur],  State);
  
  
negative.code:                               {ok, Bin} ->
                                    Bin;
                                {error, Reason} ->
                                    io_lib:format("Cannot include file ~p: ~p",
                                                  [F, Reason])
                            end
                    end, Files),
  