Fixed bug 493659: Mark extension point org.eclipse.e4.ui.css.swt.theme.org.eclipse.e4.ui.css.swt.theme as internal
diff --git a/bundles/org.eclipse.e4.ui.css.swt.theme/schema/org.eclipse.e4.ui.css.swt.theme.exsd b/bundles/org.eclipse.e4.ui.css.swt.theme/schema/org.eclipse.e4.ui.css.swt.theme.exsd
index 9ee6a79..4b125f2 100644
--- a/bundles/org.eclipse.e4.ui.css.swt.theme/schema/org.eclipse.e4.ui.css.swt.theme.exsd
+++ b/bundles/org.eclipse.e4.ui.css.swt.theme/schema/org.eclipse.e4.ui.css.swt.theme.exsd
@@ -13,7 +13,7 @@
    <element name="extension">
       <annotation>
          <appinfo>
-            <meta.element />
+            <meta.element internal="true" />
          </appinfo>
       </annotation>
       <complexType>