Move Redirect stuff to 'later version' sections

This makes it clear that the Redirect event bits are not part of the
1.0 standard.

Signed-off-by: Keith Packard <keithp@keithp.com>

presentproto.txt

@@ -13,7 +13,13 @@ window contents from a pixmap in a well defined fashion, synchronizing
 with the display refresh and potentially using a more efficient
 mechanism than copying the contents of the source pixmap.
 
-1.1. Acknowledgments
+1.1. Future Present extension versions
+
+This document includes speculation about future 'redirect' support
+within the Present extension. All such information is subject to
+change and is provided only as an aid to further Present development.
+
+1.2. Acknowledgments
 
 Eric Anholt <eric@anholt.net>
 Owen Taylor <otaylor@redhat.com>
@@ -41,13 +47,11 @@ PRESENTNOTIFY {
 
 PRESENTEVENTTYPE { PresentConfigureNotify,
 		   PresentCompleteNotify,
-		   PresentIdleNotify,
-		   PresentRedirectNotify }
+		   PresentIdleNotify }
 
 PRESENTEVENTMASK { PresentConfigureNotifyMask,
 		   PresentCompleteNotifyMask,
-		   PresentIdleNotifyMask,
-		   PresentSubredirectNotifyMask }
+		   PresentIdleNotifyMask }
 
 PRESENTOPTION { PresentOptionAsync,
                 PresentOptionCopy,
@@ -67,6 +71,14 @@ PRESENTCOMPLETEMODE { PresentCompleteModeCopy,
 The Present extension also uses the Sync extension Fence data type to
 provide synchronization for pixmaps.
 
+2.1. Data Types proposed for a later Present extension version
+
+PRESENTEVENTTYPE { ...
+		   PresentRedirectNotify }
+
+PRESENTEVENTMASK { ...
+		   PresentSubredirectNotifyMask }
+
 			     ❄ ❄ ❄  ❄  ❄ ❄ ❄ 
 
 3. Errors
@@ -86,6 +98,8 @@ PresentPixmap request.
 
 IdleNotify events inform clients when pixmaps are available for re-use.
 
+5.1. Events proposed for a later Present extension version
+
 RedirectNotify events inform clients about other clients PresentPixmap
 requests.
 
@@ -281,13 +295,6 @@ The name of this extension is "Present"
 	no operation is performed. Otherwise, a new event context is
 	created selecting the specified events.
 
-	Specifying PresentSubredirectNotify Mask causes PresentPixmap
-	requests on any child of 'window' from other clients to
-	generate PresentRedirectNotify events to 'window' instead of
-	actually performing the operation. However, only one client at
-	a time can select for PresentRedirect on a window. An attempt
-	to violate this restriction results in an Access error.
-
 ┌───
     PresentQueryCapabilities
 	target:			CRTC or WINDOW
@@ -324,6 +331,25 @@ The name of this extension is "Present"
 	defined by the extension, but is expected to be on the order
 	of milliseconds or less.
 
+
+7.1 Requests proposed for a later Present extension version
+
+	These are not part of the standard and represent future plans
+	for the Present extension.
+
+┌───
+    PresentSelectInput
+    ...
+└───
+	...
+
+	Specifying PresentSubredirectNotify Mask causes PresentPixmap
+	requests on any child of 'window' from other clients to
+	generate PresentRedirectNotify events to 'window' instead of
+	actually performing the operation. However, only one client at
+	a time can select for PresentRedirect on a window. An attempt
+	to violate this restriction results in an Access error.
+
 			     ❄ ❄ ❄  ❄  ❄ ❄ ❄ 
 
 8. Extension Events
@@ -426,6 +452,8 @@ The name of this extension is "Present"
 	buffer. If not None, then the client must wait for the fence
 	to be signaled before using the pixmap.
 
+8.1. Extension Events proposed for a later Present extension version
+
 ┌───
     PresentRedirectNotify
 	type: CARD8			XGE event type (35)
@@ -527,7 +555,6 @@ A.1 Common Types
 	0	PresentConfigureNotify
 	1	PresentCompleteNotify
 	2	PresentIdleNotify
-	3	PresentRedirectNotify
 └───
 
 ┌───
@@ -535,7 +562,6 @@ A.1 Common Types
 	1	PresentConfigureNotifyMask
 	2	PresentCompleteNotifyMask
 	4	PresentIdleNotifyMask
-	8	PresentRedirectNotifyMask
 └───
 
 ┌───
@@ -571,6 +597,20 @@ A.1 Common Types
 	4	CARD32			serial
 └───
 
+A.1.1 Common Types proposed for a later Present extension version
+
+┌───
+    PresentEventType
+	...
+	3	PresentRedirectNotify
+└───
+
+┌───
+    PresentEventMask
+	...
+	8	PresentSubredirectNotifyMask
+└───
+
 A.2 Protocol Requests
 
 ┌───
@@ -706,6 +746,8 @@ A.3 Protocol Events
 	4	SyncFence		idle-fence
 └───
 
+A.3.1 Protocol Events proposed for later Present extension version
+
 ┌───
     PresentRedirectNotify
 	1	35			XGE