anchor.diff:      "+468790" ++ Number.
   
   lookupdefault(User) ->
  -    case isnumeric(User) of
  +    case util:isnumeric(User) of
   	true ->
   	    case dnsutil:enumlookup(globalrewrite(User)) of
   		none ->
  
positive.code: 	       Loc1 ->
  		   Loc1
  	   end,
      Loc3 = case Loc2 of
  	       none ->
  		   lookupimplicit(User);
  	       Loc2 ->
  		   Loc2
  	   end,
      case Loc3 of
  	none ->
  	    lookupdefault(User);
  	Loc3 ->
  	    Loc3
      end.
  
  request("REGISTER", URL, Header, Body, Socket) ->
  
negative.code: 	    end
      end.
  
  globalrewrite("0000" ++ Number) ->
      "+" ++ Number;
  globalrewrite("000" ++ Number) ->
  