Changes from validator.w3.org's xml.dcl.

diff -up xhtml1-20020801/DTD/xhtml1.dcl.orig xhtml1-20020801/DTD/xhtml1.dcl

--- xhtml1-20020801/DTD/xhtml1.dcl.orig	2002-08-01 21:23:08.000000000 +0300

+++ xhtml1-20020801/DTD/xhtml1.dcl	2008-02-28 22:43:22.000000000 +0200

@@ -22,13 +22,13 @@

                 13        1      13

                 14       18  UNUSED

                 32       95      32

-               127        1  UNUSED

-               128       32  UNUSED

+               127        1     127  -- DEL, legal in XML 1.0 --

+               128       32     128  -- C1 controls, legal in XML 1.0 --

                160    55136     160

              55296     2048  UNUSED  -- surrogates --

              57344     8190   57344

              65534        2  UNUSED  -- FFFE and FFFF --

-             65536  1048576   65536

+             65536  1048576   65536  -- 16 planes outside BMP --

      CAPACITY NONE  -- Capacities are not restricted in XML --