gbstandard.rng in relaton-gb-1.0.0

- old
+ new

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <grammar xmlns="http://relaxng.org/ns/structure/1.0" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
-  <!-- default namespace = "http://riboseinc.com/gbstandard" -->
+  <!-- default namespace = "https://www.metanorma.com/ns/gb" -->
   <!--
     Currently we inherit from a namespaced grammar, isostandard. Unless we inherit from isodoc,
     we cannot have a new default namespace: we will end up with a grammar with two different
     namespaces, one for isostandard and one for csd additions. And we do not want that.
   -->
@@ -65,9 +65,12 @@
       </zeroOrMore>
       <zeroOrMore>
         <ref name="ics"/>
       </zeroOrMore>
       <ref name="structuredidentifier"/>
+      <optional>
+        <ref name="stagename"/>
+      </optional>
       <ref name="gbtype"/>
       <oneOrMore>
         <ref name="gbccs"/>
       </oneOrMore>
       <optional>