Update rng format

katherinejensen00 · Oct 10, 2018 · e571edb · e571edb
1 parent 2408bc5
commit e571edb
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/schema/usx.rng b/schema/usx.rng
@@ -1538,6 +1538,9 @@
         </choice>
       </attribute>
       <attribute name="caller"/>
+      <optional>
+        <attribute name="category"/>
+      </optional>
       <oneOrMore>
         <choice>
           <ref name="FootnoteChar"/>
@@ -1679,9 +1682,9 @@
       <attribute name="style">
         <value>esb</value>
       </attribute>
-      <zeroOrMore>
+      <optional>
         <attribute name="category"/>
-      </zeroOrMore>
+      </optional>
       <oneOrMore>
         <choice>
           <ref name="Para"/>