NEWS
changeset 34238 b28be884edda
parent 34170 254ac75e4c38
child 34255 2dd2547acb41
--- a/NEWS	Sun Jan 03 15:09:02 2010 +0100
+++ b/NEWS	Mon Jan 04 11:55:23 2010 +0100
@@ -48,6 +48,13 @@
 usual for resolution.  Rare INCOMPATIBILITY.
 
 
+*** System ***
+
+* Discontinued special HOL_USEDIR_OPTIONS for the main HOL image;
+ISABELLE_USEDIR_OPTIONS applies uniformly to all sessions.  Note that
+proof terms are enabled unconditionally in the new HOL-Proofs image.
+
+
 
 New in Isabelle2009-1 (December 2009)
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