--- a/src/HOL/Auth/ROOT.ML	Tue Jul 31 22:21:22 2007 +0200
+++ b/src/HOL/Auth/ROOT.ML	Tue Jul 31 23:23:28 2007 +0200
@@ -1,4 +1,4 @@
-(*  Title:      HOL/Auth/ROOT
+(*  Title:      HOL/Auth/ROOT.ML
     ID:         $Id$
     Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     Copyright   1996  University of Cambridge
@@ -8,41 +8,46 @@
 
 no_document use_thy "NatPair";
 
-set timing;
+use_thys [
 
 (* Conventional protocols: rely on 
    conventional Message, Event and Public *)
 
 (*Shared-key protocols*)
-time_use_thy "NS_Shared";
-time_use_thy "Kerberos_BAN";
-time_use_thy "Kerberos_BAN_Gets";
-time_use_thy "KerberosIV";
-time_use_thy "KerberosIV_Gets";
-time_use_thy "KerberosV";
-time_use_thy "OtwayRees";
-time_use_thy "OtwayRees_AN";
-time_use_thy "OtwayRees_Bad";
-time_use_thy "OtwayReesBella";
-time_use_thy "WooLam";
-time_use_thy "Recur";
-time_use_thy "Yahalom";
-time_use_thy "Yahalom2";
-time_use_thy "Yahalom_Bad";
-time_use_thy "ZhouGollmann";
+  "NS_Shared",
+  "Kerberos_BAN",
+  "Kerberos_BAN_Gets",
+  "KerberosIV",
+  "KerberosIV_Gets",
+  "KerberosV",
+  "OtwayRees",
+  "OtwayRees_AN",
+  "OtwayRees_Bad",
+  "OtwayReesBella",
+  "WooLam",
+  "Recur",
+  "Yahalom",
+  "Yahalom2",
+  "Yahalom_Bad",
+  "ZhouGollmann",
 
 (*Public-key protocols*)
-time_use_thy "NS_Public_Bad";
-time_use_thy "NS_Public";
-time_use_thy "TLS";
-time_use_thy "CertifiedEmail";
+  "NS_Public_Bad",
+  "NS_Public",
+  "TLS",
+  "CertifiedEmail",
 
 (*Smartcard protocols: rely on conventional Message and on new
   EventSC and Smartcard *)
 
-with_path "Smartcard" time_use_thy "ShoupRubin";
-with_path "Smartcard" time_use_thy "ShoupRubinBella";
+  "Smartcard/ShoupRubin",
+  "Smartcard/ShoupRubinBella",
 
 (*Blanqui's "guard" concept: protocol-independent secrecy*)
-with_path "Guard" (app time_use_thy)
-  ["P1", "P2", "Guard_NS_Public", "Guard_OtwayRees", "Guard_Yahalom", "Proto"];
+  "Guard/P1",
+  "Guard/P2",
+  "Guard/Guard_NS_Public",
+  "Guard/Guard_OtwayRees",
+  "Guard/Guard_Yahalom",
+  "Guard/Proto"
+];