src/HOL/HoareParallel/OG_Syntax.thy
changeset 15531 08c8dad8e399
parent 15425 6356d2523f73
child 21226 a607ae87ee81
--- a/src/HOL/HoareParallel/OG_Syntax.thy	Fri Feb 11 18:51:00 2005 +0100
+++ b/src/HOL/HoareParallel/OG_Syntax.thy	Sun Feb 13 17:15:14 2005 +0100
@@ -96,8 +96,8 @@
 
     fun upd_tr' (x_upd, T) =
       (case try (unsuffix RecordPackage.updateN) x_upd of
-        Some x => (x, if T = dummyT then T else Term.domain_type T)
-      | None => raise Match);
+        SOME x => (x, if T = dummyT then T else Term.domain_type T)
+      | NONE => raise Match);
 
     fun update_name_tr' (Free x) = Free (upd_tr' x)
       | update_name_tr' ((c as Const ("_free", _)) $ Free x) =