Merge rev 29706 from 3.3 branch.

Change default port # from 9999 to 8100, to match zope.conf
(well, on Zope trunk anyway -- the ZEO client example appears
to have gone missing from zope.conf on Zope3 trunk).

NEWS.txt

@@ -229,6 +229,12 @@ The BTrees interface file neglected to document the optional
 and ``items()`` methods.  Appropriate changes were merged in from the
 ZODB4 BTrees interface file.
 
+Tools
+-----
+
+- ``mkzeoinst.py``'s default port number changed from to 9999 to 8100, to
+  match the example in Zope's ``zope.conf``.
+
 fsIndex
 -------
 

src/ZEO/mkzeoinst.py

@@ -159,8 +159,7 @@ class ZEOInstanceBuilder:
         if args[1:]:
             port = int(args[1])
         else:
-            # XXX Change this to 8001, to make Zope's default (verify!).
-            port = 9999
+            port = 8100  # match example in zope.conf
 
         params = self.get_params(zodb3_home, instance_home, port)
         self.create(instance_home, params)