lib/asciidoctor/gb/reqt.rng in metanorma-gb-1.3.12 vs lib/asciidoctor/gb/reqt.rng in metanorma-gb-1.3.13

@@ -52,12 +52,12 @@
       <ref name="label"/>
     </optional>
     <optional>
       <ref name="subject"/>
     </optional>
-    <optional>
+    <zeroOrMore>
       <ref name="reqinherit"/>
-    </optional>
+    </zeroOrMore>
     <zeroOrMore>
       <ref name="classification"/>
     </zeroOrMore>
     <zeroOrMore>
       <choice>