News about sets. (There's no documentation; if someone wants to

convert the doc strings to LaTeX, be my guest.)

diff --git a/Misc/NEWS b/Misc/NEWS
index 5595d0180ed9818ffc1d910c03d11d55ab03051f..d60205e2624e2bbcba502364662a6f437a2c9cb8 100644 (file)
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -298,6 +298,13 @@ Extension modules
 
 Library
 
+- New module: sets, defines the class Set that implements a mutable
+  set type using the keys of a dict to represent the set.  There's
+  also a class ImmutableSet which is useful when you need sets of sets
+  or when you need to use sets as dict keys, and a class BaseSet which
+  is the base class of the two.  (This is not documented yet, but
+  help(sets) gives a wealth of information.)
+
 - Added operator.pow(a,b) which is equivalent to a**b.
 
 - random.randrange(-sys.maxint-1, sys.maxint) no longer raises