lib/asciidoctor/mpfd/isodoc.rng in metanorma-mpfd-0.1.5 vs lib/asciidoctor/mpfd/isodoc.rng in metanorma-mpfd-0.1.6

@@ -909,9 +909,12 @@
             <data type="int"/>
             <value>auto</value>
           </choice>
         </attribute>
       </optional>
+      <optional>
+        <attribute name="alt"/>
+      </optional>
     </element>
   </define>
   <define name="stem">
     <element name="stem">
       <attribute name="type">