NEWS
changeset 42502 13b41fb77649
parent 42484 2777a27506d0
child 42514 f32500b4bc23
--- a/NEWS	Thu Apr 28 20:20:49 2011 +0200
+++ b/NEWS	Thu Apr 28 21:06:04 2011 +0200
@@ -44,6 +44,10 @@
 
   declare [[unique_names = false]]
 
+* Literal facts `prop` may contain dummy patterns, e.g. `_ = _`.  Note
+that the result needs to be unique, which means fact specifications
+may have to be refined after enriching a proof context.
+
 
 *** HOL ***