diff --git a/com.ibm.wala.core.testdata/scripts/cruise/config_nashira.xml b/com.ibm.wala.core.testdata/scripts/cruise/config_nashira.xml
index 509ce3f6f..5d28eaf12 100644
--- a/com.ibm.wala.core.testdata/scripts/cruise/config_nashira.xml
+++ b/com.ibm.wala.core.testdata/scripts/cruise/config_nashira.xml
@@ -1,3 +1,4 @@
+<!DOCTYPE cruisecontrol>
 <cruisecontrol>
 
 	<!-- ************************************************************************** -->
diff --git a/com.ibm.wala.core/dat/codetemplates.xml b/com.ibm.wala.core/dat/codetemplates.xml
index 77301c0dd..6f741811f 100644
--- a/com.ibm.wala.core/dat/codetemplates.xml
+++ b/com.ibm.wala.core/dat/codetemplates.xml
@@ -1,4 +1,6 @@
-<?xml version="1.0" encoding="UTF-8"?><templates><template autoinsert="true" context="gettercomment_context" deleted="false" description="Comment for getter method" enabled="true" id="org.eclipse.jdt.ui.text.codetemplates.gettercomment" name="gettercomment">/**
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE templates>
+<templates><template autoinsert="true" context="gettercomment_context" deleted="false" description="Comment for getter method" enabled="true" id="org.eclipse.jdt.ui.text.codetemplates.gettercomment" name="gettercomment">/**
  * @return the ${bare_field_name}
  */</template><template autoinsert="true" context="settercomment_context" deleted="false" description="Comment for setter method" enabled="true" id="org.eclipse.jdt.ui.text.codetemplates.settercomment" name="settercomment">/**
  * @param ${param} the ${bare_field_name} to set
diff --git a/com.ibm.wala.core/dat/formatter.xml b/com.ibm.wala.core/dat/formatter.xml
index 275b7cd7a..ad745bfc2 100644
--- a/com.ibm.wala.core/dat/formatter.xml
+++ b/com.ibm.wala.core/dat/formatter.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE profiles>
 <profiles version="10">
 <profile name="WALA" version="10">
 <setting id="org.eclipse.jdt.core.formatter.align_type_members_on_columns" value="false"/>
diff --git a/com.ibm.wala.core/dat/natives.xml b/com.ibm.wala.core/dat/natives.xml
index 9fb51d456..6193ebd32 100644
--- a/com.ibm.wala.core/dat/natives.xml
+++ b/com.ibm.wala.core/dat/natives.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" ?>
+<!DOCTYPE summary-spec>
 <!-- native methods in the IBM Windows DK 1.3.1 -->
 <summary-spec>
 	<classloader name="Primordial">
diff --git a/com.ibm.wala.core/dat/natives_no_model.xml b/com.ibm.wala.core/dat/natives_no_model.xml
index e2c0edb4d..d607f236b 100644
--- a/com.ibm.wala.core/dat/natives_no_model.xml
+++ b/com.ibm.wala.core/dat/natives_no_model.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" ?>
+<!DOCTYPE summary-spec>
 <!-- native methods in the IBM Windows DK 1.3.1 -->
 <summary-spec>
 	<classloader name="Primordial">
diff --git a/com.ibm.wala.dalvik/apkCGBuilder.xml b/com.ibm.wala.dalvik/apkCGBuilder.xml
index 7cef28bc6..d7f101798 100644
--- a/com.ibm.wala.dalvik/apkCGBuilder.xml
+++ b/com.ibm.wala.dalvik/apkCGBuilder.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE project>
 <project default="create_run_jar" name="Create Runnable Jar for Project com.ibm.wala.dalvik.test">
     <!--this file was created by Eclipse Runnable JAR Export Wizard-->
     <!--ANT 1.7 is required                                        -->
diff --git a/com.ibm.wala.dalvik/src/logback.xml b/com.ibm.wala.dalvik/src/logback.xml
index f5542e6fe..20bf3c13d 100644
--- a/com.ibm.wala.dalvik/src/logback.xml
+++ b/com.ibm.wala.dalvik/src/logback.xml
@@ -1,3 +1,4 @@
+<!DOCTYPE configuration>
 <configuration>
   <appender name="STDOUT"
     class="ch.qos.logback.core.ConsoleAppender">
diff --git a/com.ibm.wala.shrike/exportPlugin.xml b/com.ibm.wala.shrike/exportPlugin.xml
index 644e5fa93..1c1c73f34 100644
--- a/com.ibm.wala.shrike/exportPlugin.xml
+++ b/com.ibm.wala.shrike/exportPlugin.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE project>
 <project name="com.ibm.wala.shrike" default="build.update.jar" basedir=".">
 	<import file="../org.eclipse.imp.runtime.feature/buildCommon.xml"/>
 	<import file="../org.eclipse.imp.update/buildPluginCommon.xml"/>