lib/asciidoctor/mpfd/isodoc.rng in metanorma-mpfd-0.1.7 vs lib/asciidoctor/mpfd/isodoc.rng in metanorma-mpfd-0.1.8

@@ -925,10 +925,15 @@
         <choice>
           <value>MathML</value>
           <value>AsciiMath</value>
         </choice>
       </attribute>
-      <text/>
+      <oneOrMore>
+        <choice>
+          <text/>
+          <ref name="AnyElement"/>
+        </choice>
+      </oneOrMore>
     </element>
   </define>
   <define name="annotation">
     <element name="annotation">
       <attribute name="id">