diff --git a/contrib/schema/jube.dtd b/contrib/schema/jube.dtd
index b77c03e..a321053 100644
--- a/contrib/schema/jube.dtd
+++ b/contrib/schema/jube.dtd
@@ -127,7 +127,7 @@
-
+
@@ -143,6 +143,12 @@
format CDATA #IMPLIED
title CDATA #IMPLIED
tag CDATA #IMPLIED>
+
+
+
@@ -239,6 +240,18 @@
+
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