basicdoc.rng in metanorma-vsd-0.5.8

- old
+ new

@@ -50,13 +50,13 @@
       <attribute name="script"/>
     </optional>
     <optional>
       <ref name="section-title"/>
     </optional>
-    <optional>
+    <zeroOrMore>
       <ref name="BasicBlock"/>
-    </optional>
+    </zeroOrMore>
     <zeroOrMore>
       <ref name="note"/>
     </zeroOrMore>
   </define>
   <define name="references">
@@ -283,10 +283,13 @@
     <element name="pre">
       <attribute name="id">
         <data type="ID"/>
       </attribute>
       <optional>
+        <attribute name="alt"/>
+      </optional>
+      <optional>
         <ref name="tname"/>
       </optional>
       <text/>
       <zeroOrMore>
         <ref name="note"/>
@@ -562,10 +565,11 @@
       <ref name="hyperlink"/>
       <ref name="hr"/>
       <ref name="pagebreak"/>
       <ref name="bookmark"/>
       <ref name="image"/>
+      <ref name="index"/>
     </choice>
   </define>
   <define name="PureTextElement">
     <choice>
       <text/>
@@ -684,9 +688,20 @@
     </element>
   </define>
   <define name="pagebreak">
     <element name="pagebreak">
       <empty/>
+    </element>
+  </define>
+  <define name="index">
+    <element name="index">
+      <attribute name="primary"/>
+      <optional>
+        <attribute name="secondary"/>
+      </optional>
+      <optional>
+        <attribute name="tertiary"/>
+      </optional>
     </element>
   </define>
   <!-- bare ID element, used for referencing arbitrary spans of text -->
   <define name="bookmark">
     <element name="bookmark">