Unified the syntax of the XML root element (high-availability-guide)

The XML root element of Docbook XML files should match the following
format:

<ELEMENT xmlns="http://docbook.org/ns/docbook"
  xmlns:xi="http://www.w3.org/2001/XInclude"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  version="5.0"
  xml:id="THE_XML_ID_OF_THE_ELEMENT">

Change-Id: I47786e5f70b64e1b14d1015ec5613a538ef8fc52

doc/high-availability-guide/api/section_api_pacemaker.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="s-api-pacemaker">
+  version="5.0"
+  xml:id="s-api-pacemaker">
 
           <title>Configure Pacemaker group</title>
 

doc/high-availability-guide/api/section_api_vip.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="s-api-vip">
+  version="5.0"
+  xml:id="s-api-vip">
 
           <title>Configure the VIP</title>
 

doc/high-availability-guide/api/section_ceilometer_agent_central.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="s-ceilometer-agent-central">
+  version="5.0"
+  xml:id="s-ceilometer-agent-central">
 
           <title>Highly available Telemetry central agent</title>
 

doc/high-availability-guide/api/section_cinder_api.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="s-cinder-api">
+  version="5.0"
+  xml:id="s-cinder-api">
 
           <title>Highly available Block Storage API</title>
 

doc/high-availability-guide/api/section_glance_api.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="s-glance-api">
+  version="5.0"
+  xml:id="s-glance-api">
 
           <title>Highly available OpenStack Image API</title>
 

doc/high-availability-guide/api/section_keystone.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="s-keystone">
+  version="5.0"
+  xml:id="s-keystone">
 
           <title>Highly available OpenStack Identity</title>
 

doc/high-availability-guide/api/section_neutron_server.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="s-neutron-server">
+  version="5.0"
+  xml:id="s-neutron-server">
 
           <title>Highly available OpenStack Networking server</title>
 

doc/high-availability-guide/bk-ha-guide.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<book xml:id="bk-ha-guide"
+<book xmlns="http://docbook.org/ns/docbook"
-      xmlns="http://docbook.org/ns/docbook"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-      xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-      xmlns:xi="http://www.w3.org/2001/XInclude"
+  version="5.0"
-      version="5.0">
+  xml:id="bk-ha-guide">
 
     <title>OpenStack High Availability Guide</title>
     <info>

doc/high-availability-guide/ch_api.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <chapter xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ch-api">
+  version="5.0"
+  xml:id="ch-api">
 
         <title>API node cluster stack</title>
 

doc/high-availability-guide/ch_controller.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
    <chapter xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ch-controller">
+  version="5.0"
+  xml:id="ch-controller">
 
         <title>Cloud controller cluster stack</title>
 

doc/high-availability-guide/ch_ha_aa_controllers.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
     <chapter xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ha-aa-controllers">
+  version="5.0"
+  xml:id="ha-aa-controllers">
 
         <title>OpenStack controller nodes</title>
 

doc/high-availability-guide/ch_ha_aa_db.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
     <chapter xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ha-aa-db">
+  version="5.0"
+  xml:id="ha-aa-db">
 
         <title>Database</title>
 

doc/high-availability-guide/ch_ha_aa_haproxy.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
     <chapter xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ha-aa-haproxy">
+  version="5.0"
+  xml:id="ha-aa-haproxy">
 
         <title>HAproxy nodes</title>
 

doc/high-availability-guide/ch_ha_aa_network.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
     <chapter xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ha-aa-network">
+  version="5.0"
+  xml:id="ha-aa-network">
 
         <title>OpenStack network nodes</title>
 

doc/high-availability-guide/ch_ha_aa_rabbitmq.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
     <chapter xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ha-aa-rabbitmq">
+  version="5.0"
+  xml:id="ha-aa-rabbitmq">
 
         <title>RabbitMQ</title>
 

doc/high-availability-guide/ch_intro.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
   <chapter xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ch-intro">
+  version="5.0"
+  xml:id="ch-intro">
 
       <title>Introduction to OpenStack High Availability</title>
 

doc/high-availability-guide/ch_network.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
    <chapter xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ch-network">
+  version="5.0"
+  xml:id="ch-network">
 
         <title>Network controller cluster stack</title>
 

doc/high-availability-guide/ch_pacemaker.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
     <chapter xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ch-pacemaker">
+  version="5.0"
+  xml:id="ch-pacemaker">
 
         <title>The Pacemaker cluster stack</title>
 

doc/high-availability-guide/controller/section_mysql.xml

@@ -4,9 +4,10 @@
 %openstack;
 ]>
 <section xmlns="http://docbook.org/ns/docbook"
-         xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-         xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-         version="5.0" xml:id="s-mysql">
+  version="5.0"
+  xml:id="s-mysql">
 
           <title>Highly available MySQL</title>
 

doc/high-availability-guide/controller/section_rabbitmq.xml

@@ -4,9 +4,10 @@
 %openstack;
 ]>
 <section xmlns="http://docbook.org/ns/docbook"
-         xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-         xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-         version="5.0" xml:id="s-rabbitmq">
+  version="5.0"
+  xml:id="s-rabbitmq">
 
           <title>Highly available RabbitMQ</title>
 

doc/high-availability-guide/ha_aa_controllers/section_memcached.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_memcached">
+  version="5.0"
+  xml:id="_memcached">
 
           <title>Memcached</title>
 

doc/high-availability-guide/ha_aa_controllers/section_run_openstack_api_and_schedulers.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_run_openstack_api_and_schedulers">
+  version="5.0"
+  xml:id="_run_openstack_api_and_schedulers">
 
           <title>Run OpenStack API and schedulers</title>
 

doc/high-availability-guide/ha_aa_db/section_ha_aa_db_galera_monitoring.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ha-aa-db-galera-monitoring">
+  version="5.0"
+  xml:id="ha-aa-db-galera-monitoring">
 
           <title>Galera monitoring scripts</title>
 

doc/high-availability-guide/ha_aa_db/section_ha_aa_db_mysql_galera.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ha-aa-db-mysql-galera">
+  version="5.0"
+  xml:id="ha-aa-db-mysql-galera">
 
           <title>MySQL with Galera</title>
 

doc/high-availability-guide/ha_aa_db/section_other_ways_to_provide_a_highly_available_database.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_other_ways_to_provide_a_highly_available_database">
+  version="5.0"
+  xml:id="_other_ways_to_provide_a_highly_available_database">
 
           <title>Other ways to provide a highly available database</title>
 

doc/high-availability-guide/ha_aa_network/section_run_neutron_dhcp_agent.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_run_neutron_dhcp_agent">
+  version="5.0"
+  xml:id="_run_neutron_dhcp_agent">
 
           <title>Run neutron DHCP agent</title>
 

doc/high-availability-guide/ha_aa_network/section_run_neutron_l3_agent.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_run_neutron_l3_agent">
+  version="5.0"
+  xml:id="_run_neutron_l3_agent">
 
           <title>Run neutron L3 agent</title>
 

doc/high-availability-guide/ha_aa_network/section_run_neutron_metadata_agent.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_run_neutron_metadata_agent">
+  version="5.0"
+  xml:id="_run_neutron_metadata_agent">
 
           <title>Run neutron metadata agent</title>
 

doc/high-availability-guide/ha_aa_rabbitmq/section_configure_openstack_services_to_user_rabbitmq.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_configure_openstack_services_to_use_rabbitmq">
+  version="5.0"
+  xml:id="_configure_openstack_services_to_use_rabbitmq">
 
           <title>Configure OpenStack services to use RabbitMQ</title>
 

doc/high-availability-guide/ha_aa_rabbitmq/section_configure_rabbitmq.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_configure_rabbitmq">
+  version="5.0"
+  xml:id="_configure_rabbitmq">
 
           <title>Configure RabbitMQ</title>
 

doc/high-availability-guide/ha_aa_rabbitmq/section_install_rabbitmq.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_install_rabbitmq">
+  version="5.0"
+  xml:id="_install_rabbitmq">
 
           <title>Install RabbitMQ</title>
 

doc/high-availability-guide/network/section_highly_available_neutron_dhcp_agent.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_highly_available_neutron_dhcp_agent">
+  version="5.0"
+  xml:id="_highly_available_neutron_dhcp_agent">
 
           <title>Highly available neutron DHCP agent</title>
 

doc/high-availability-guide/network/section_highly_available_neutron_l3_agent.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_highly_available_neutron_l3_agent">
+  version="5.0"
+  xml:id="_highly_available_neutron_l3_agent">
 
           <title>Highly available neutron L3 agent</title>
 

doc/high-availability-guide/network/section_highly_available_neutron_metadata_agent.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_highly_available_neutron_metadata_agent">
+  version="5.0"
+  xml:id="_highly_available_neutron_metadata_agent">
           <title>Highly available neutron metadata agent</title>
         <para>Neutron metadata agent allows Compute API metadata to be reachable by VMs on tenant
 networks. High availability for the metadata agent is achieved by adopting

doc/high-availability-guide/network/section_manage_network_resources.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_manage_network_resources">
+  version="5.0"
+  xml:id="_manage_network_resources">
 
           <title>Manage network resources</title>
 

doc/high-availability-guide/pacemaker/section_install_packages.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_install_packages">
+  version="5.0"
+  xml:id="_install_packages">
           <title>Install packages</title>
         <para>On any host that is meant to be part of a Pacemaker cluster, you must
 first establish cluster communications through the Corosync messaging

doc/high-availability-guide/pacemaker/section_set_basic_cluster_properties.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_set_basic_cluster_properties">
+  version="5.0"
+  xml:id="_set_basic_cluster_properties">
 
           <title>Set basic cluster properties</title>
 

doc/high-availability-guide/pacemaker/section_set_up_corosync.xml

@@ -1,7 +1,8 @@
       <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_set_up_corosync">
+  version="5.0"
+  xml:id="_set_up_corosync">
           <title>Set up Corosync</title>
         <para>Besides installing the <literal>corosync</literal> package, you must also
 create a configuration file, stored in

doc/high-availability-guide/pacemaker/section_start_pacemaker.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_start_pacemaker">
+  version="5.0"
+  xml:id="_start_pacemaker">
           <title>Start Pacemaker</title>
         <para>Once the Corosync services have been started, and you have established
 that the cluster is communicating properly, it is safe to start

doc/high-availability-guide/pacemaker/section_starting_corosync.xml

@@ -1,7 +1,8 @@
      <section xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="_starting_corosync">
+  version="5.0"
+  xml:id="_starting_corosync">
 
           <title>Starting Corosync</title>
 

doc/high-availability-guide/part_active_active.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
   <part xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ha-using-active-active">
+  version="5.0"
+  xml:id="ha-using-active-active">
 
       <title>HA using active/active</title>
 

doc/high-availability-guide/part_active_passive.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
   <part xmlns="http://docbook.org/ns/docbook"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:xi="http://www.w3.org/2001/XInclude"
-    xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="5.0" xml:id="ha-using-active-passive">
+  version="5.0"
+  xml:id="ha-using-active-passive">
 
       <title>HA using active/passive</title>