[master] edit

CHANGES

 3744.	[experimental]	SIT: send and process Source Identity Tokens
-			(which are similar to DNS Cookies by Donald Eastlake)
-			and are designed to help clients detect off path
-			spoofed responses and for servers to detect legitimate
-			clients.
-
-			SIT use a experimental EDNS option code (65001).
-
-			SIT can be enabled via --enable-developer or
-			--enable-sit.  It is on by default in Windows.
-
-			RRL processing as been updated to know about SIT with
-			legitimate clients not being rate limited. [RT #35389]
+			(similar to DNS Cookies by Donald Eastlake),
+			which are designed to help clients detect off-path
+			spoofed responses and for servers to identify
+                        legitimate clients.
+
+			SIT uses an experimental EDNS option code (65001).
+
+			SIT can be enabled via "configure --enable-sit" (or
+			--enable-developer). It is enabled by default in
+                        Windows.
+
+                        Servers can be configured to send smaller responses
+                        to clients that have not identified themselves via
+                        SIT.  RRL processing has also been updated;
+                        legitimate clients are not subject to rate
+                        limiting. [RT #35389]
 			
 3743.	[bug]		delegation-only flag wasn't working in forward zone
 			declarations despite being documented.  This is