[103070] added a catalog entry for xml.xsd so XML Validator doesn't attempt to grab the "xml.xsd" files from the web
diff --git a/bundles/org.eclipse.wst.xsd.ui/plugin.xml b/bundles/org.eclipse.wst.xsd.ui/plugin.xml
index b347425..cd30484 100644
--- a/bundles/org.eclipse.wst.xsd.ui/plugin.xml
+++ b/bundles/org.eclipse.wst.xsd.ui/plugin.xml
@@ -149,9 +149,13 @@
 	<extension
 		point="org.eclipse.wst.xml.core.catalogContributions">
 		<catalogContribution id="default">
+		
 			<uri
 				name="http://www.w3.org/2001/XMLSchema"
 				uri="platform:/plugin/org.eclipse.xsd/cache/www.w3.org/2001/XMLSchema.xsd" />
+			<system
+				systemId="http://www.w3.org/2001/xml.xsd"
+				uri="platform:/plugin/org.eclipse.xsd/cache/www.w3.org/2001/xml.xsd"/>				
 		</catalogContribution>
 	</extension>