commit f99be43f942f43238bdc9d8badc51ac6ea97b871
Author: Peter Rosin <p...@lysator.liu.se>
Date:   Thu Jun 11 13:03:53 2009 +0200

    Describe the Tight Compression Level Pseudo-encoding.
    
    Signed-off-by: Peter Rosin <p...@lysator.liu.se>

diff --git a/rfbproto.rst b/rfbproto.rst
index 95525c9..7034d9a 100644
--- a/rfbproto.rst
+++ b/rfbproto.rst
@@ -755,7 +755,8 @@ Code    Vendor      Signature       Description
 -239    "``TGHT``"  "``RCHCURSR``"  `Cursor Pseudo-encoding`_ (Rich
                                     Cursor)
 -240    "``TGHT``"  "``X11CURSR``"  X Cursor
--256    "``TGHT``"  "``COMPRLVL``"  Compression Level
+-256    "``TGHT``"  "``COMPRLVL``"  `Compression Level
+                                    Pseudo-encoding`_
 -305    "``GGI_``"  "``GII_____``"  `gii Pseudo-encoding`_
 ======= =========== =============== ===================================
 
@@ -1662,6 +1663,7 @@ Number       Name
 16           `ZRLE Encoding`_
 -223         `DesktopSize Pseudo-encoding`_
 -239         `Cursor Pseudo-encoding`_
+-247 to -256 `Compression Level Pseudo-encoding`_
 -305         `gii Pseudo-encoding`_
 -308         `ExtendedDesktopSize Pseudo-encoding`_
 -309         `xvp Pseudo-encoding`_
@@ -1680,7 +1682,7 @@ Other registered encodings are:
 +--------------------------+------------------------------------------+
 || -1 to -222              |Tight options                             |
 || -224 to -238            |                                          |
-|| -240 to -256            |                                          |
+|| -240 to -246            |                                          |
 +--------------------------+------------------------------------------+
 |-257 to -272              |Anthony Liguori                           |
 +--------------------------+------------------------------------------+
@@ -2248,6 +2250,15 @@ gracefully, e.g. by showing a black framebuffer or delay 
the screen
 update until a proper update of the framebuffer contents has been
 received.
 
+Compression Level Pseudo-encoding
+---------------------------------
+
+Specifies the desired compression level. Encoding number -247 implies
+high compression level, -255 implies low compression level. Low
+compression level can be useful to get low latency in medium to high
+bandwidth situations and high compression level can be useful in low
+bandwidth situations.
+
 gii Pseudo-encoding
 -------------------
 
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