NEWS
changeset 4575 e59cf7d816fe
parent 4502 337c073de95e
child 4649 89ad3eb863a1
--- a/NEWS	Wed Jan 14 11:10:19 1998 +0100
+++ b/NEWS	Wed Jan 14 11:21:35 1998 +0100
@@ -192,6 +192,10 @@
 * HOL/Set: The operator (UN x.B x) now abbreviates (UN x:UNIV. B x) and its
   specialist theorems (like UN1_I) are gone.  Similarly for (INT x.B x);
 
+* HOL/record: extensible records with schematic structural subtyping
+(single inheritance); EXPERIMENTAL version demonstrating the encoding,
+still lacks various theorems and concrete record syntax;
+
 
 *** HOLCF ***