lib/asciidoctor/iec/iec.rng in metanorma-iec-1.2.14 vs lib/asciidoctor/iec/iec.rng in metanorma-iec-1.2.15

@@ -113,18 +113,24 @@
       <ref name="bibdata"/>
       <zeroOrMore>
         <ref name="termdocsource"/>
       </zeroOrMore>
       <optional>
+        <ref name="misccontainer"/>
+      </optional>
+      <optional>
         <ref name="boilerplate"/>
       </optional>
       <ref name="preface"/>
       <oneOrMore>
         <ref name="sections"/>
       </oneOrMore>
       <zeroOrMore>
         <ref name="annex"/>
       </zeroOrMore>
       <ref name="bibliography"/>
+      <zeroOrMore>
+        <ref name="indexsect"/>
+      </zeroOrMore>
     </element>
   </define>
 </grammar>