--- a/checkstyle.xml	Thu Nov 19 01:56:33 2009 +0100
+++ b/checkstyle.xml	Thu Nov 19 02:05:06 2009 +0100
@@ -71,6 +71,7 @@
     <!-- Miscellaneous other checks.                   -->
     <!-- See http://checkstyle.sf.net/config_misc.html -->
     <module name="RegexpSingleline">
+	<property name="severity" value="error"/>
 	<property name="format" value="\s+$"/>
 	<property name="minimum" value="0"/>
 	<property name="maximum" value="0"/>
@@ -139,7 +140,9 @@
 	<module name="AvoidStarImport"/>
 	<module name="IllegalImport"/> <!-- defaults to sun.* packages -->
 	<module name="RedundantImport"/>
-	<module name="UnusedImports"/>
+	<module name="UnusedImports">
+	    <property name="severity" value="error"/>
+	</module>
 	<module name="AvoidStaticImport">
 	    <property name="excludes" value="*"/>
 	</module>
@@ -249,7 +252,9 @@
 	<module name="IllegalType"/>
 	<module name="PackageDeclaration"/>
 	<module name="JUnitTestCase"/>
-	<module name="DeclarationOrder"/>
+	<module name="DeclarationOrder">
+	    <property name="severity" value="error"/>
+	</module>
 	<module name="ExplicitInitialization"/>
 	<module name="DefaultComesLast"/>
 	<module name="MissingCtor"/>