Collector #1775: turning off debug mode by default

lib/python/Zope2/Startup/zopeschema.xml

@@ -362,7 +362,7 @@
     <metadefault>$clienthome/Z2.lock</metadefault>
   </key>
 
-  <key name="debug-mode" datatype="boolean" default="on">
+  <key name="debug-mode" datatype="boolean" default="off">
     <description>
     A switch which controls several aspects of Zope operation useful for
     developing under Zope.  When debug mode is on:
@@ -378,7 +378,7 @@
      Setting this to 'off' when Zope is in a production environment is
      encouraged, as it speeds execution (sometimes dramatically).
     </description>
-    <metadefault>on</metadefault>
+    <metadefault>off</metadefault>
   </key>
 
   <key name="effective-user">

skel/etc/zope.conf.in

@@ -124,11 +124,10 @@ instancehome $INSTANCE
 #       will detect these changes in real time.  When this switch is
 #       off, you must restart the server to see the changes.
 #
-#     Setting this to 'off' when Zope is in a
-#     production environment is encouraged, as it speeds execution (sometimes
-#     dramatically).
+#     Setting this to 'off' when Zope is in a production environment is
+#     encouraged, as it speeds execution (sometimes dramatically).
 #
-# Default: on
+# Default: off
 #
 # Example:
 #