# HG changeset patch # User wenzelm # Date 884773295 -3600 # Node ID e59cf7d816fe59f81eb90a155dd0b9f74c458b3f # Parent b922012cc142e966b2903bbf711c2343f2b8893f HOL/record; diff -r b922012cc142 -r e59cf7d816fe NEWS --- 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 ***