lib/metanorma/ietf/isodoc.rng in metanorma-ietf-3.1.2 vs lib/metanorma/ietf/isodoc.rng in metanorma-ietf-3.1.3

@@ -64,10 +64,11 @@
         <value>tip</value>
         <value>important</value>
         <value>caution</value>
         <value>statement</value>
         <value>editorial</value>
+        <value>box</value>
       </choice>
     </define>
     <define name="index">
       <element name="index">
         <optional>
@@ -1575,10 +1576,13 @@
         <ref name="bibliography"/>
       </optional>
       <zeroOrMore>
         <ref name="indexsect"/>
       </zeroOrMore>
+      <optional>
+        <ref name="colophon"/>
+      </optional>
     </element>
   </define>
   <define name="misccontainer">
     <element name="metanorma-extension">
       <oneOrMore>
@@ -1594,9 +1598,16 @@
           <ref name="abstract"/>
           <ref name="foreword"/>
           <ref name="introduction"/>
           <ref name="acknowledgements"/>
         </choice>
+      </oneOrMore>
+    </element>
+  </define>
+  <define name="colophon">
+    <element name="colophon">
+      <oneOrMore>
+        <ref name="content"/>
       </oneOrMore>
     </element>
   </define>
   <define name="foreword">
     <element name="foreword">