Error when using DocBook DTD 4.5

[Matthew Hacker <mhacker@oreilly.com>]

Hi,

Apologies if this is the wrong place to ask this question, but we have an XSLT file that begins like this:

<?xml version="1.0"?>
 <xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml"
            Âencoding="UTF-8"
            Âdoctype-public="-//OASIS//DTD DocBook XML V4.5//EN"
            Âdoctype-system="http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"/>

When we use this stylesheet now, we are seeing an error:
ÂÂ

Error on line 1 column 2 of docbookx.dtd:
 SXXP0003: Error reported by XML parser: The markup declarations contained or pointed to by
 the document type declaration must be well-formed.

Has there been a known change with the DTD that would cause this error?

Many thanks for any help you can provide.

Best,

Matthew Hacker | Senior Digital Publishing Specialist

O'Reilly Media, Inc. | oreilly.com