lib/asciidoctor/ribose/isodoc.rng in metanorma-ribose-1.6.8 vs lib/asciidoctor/ribose/isodoc.rng in metanorma-ribose-1.6.9

@@ -245,10 +245,13 @@
           <attribute name="keep-lines-together">
             <data type="boolean"/>
           </attribute>
         </optional>
         <optional>
+          <ref name="colgroup"/>
+        </optional>
+        <optional>
           <ref name="tname"/>
         </optional>
         <optional>
           <ref name="thead"/>
         </optional>
@@ -762,9 +765,21 @@
         <ref name="paragraph"/>
       </element>
     </define>
   </include>
   <!-- end overrides -->
+  <define name="colgroup">
+    <element name="colgroup">
+      <oneOrMore>
+        <ref name="col"/>
+      </oneOrMore>
+    </element>
+  </define>
+  <define name="col">
+    <element name="col">
+      <attribute name="width"/>
+    </element>
+  </define>
   <define name="TextElement" combine="choice">
     <ref name="concept"/>
   </define>
   <define name="concept">
     <element name="concept">