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-rw-r--r--docs/howto/upgrading-to-3.0.xml6
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/howto/upgrading-to-3.0.xml b/docs/howto/upgrading-to-3.0.xml
index 292aa435af..8c8b023981 100644
--- a/docs/howto/upgrading-to-3.0.xml
+++ b/docs/howto/upgrading-to-3.0.xml
@@ -1,3 +1,9 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+ <!ENTITY % global_entities SYSTEM '../entities/global.entities'>
+ %global_entities;
+]>
<chapter id="upgrading-to-3.0">
<chapterinfo>
&author.jelmer;