make the enum minver greater or equal than the <element> minver

ietf-wg-cellar · Apr 4, 2021 · 099ae52 · 099ae52
1 parent 6276ea5
commit 099ae52
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/EBMLSchema.xsd b/EBMLSchema.xsd
@@ -139,7 +139,7 @@
     </xs:sequence>
     <xs:attribute name="label"/>
     <xs:attribute name="value" use="required"/>
-    <xs:attribute name="minver" default="1"/>
+    <xs:attribute name="minver"/>
   </xs:complexType>
 
   <xs:complexType name="documentationType" mixed="true">

diff --git a/specification.markdown b/specification.markdown
@@ -1161,11 +1161,12 @@ Within an EBML Schema, the XPath of the `@value` attribute is
 `/EBMLSchema/element/restriction/enum/@minver`.
 
 The `minver` (minimum version) attribute stores a nonnegative integer that
-represents the first version of the docType to support the enum value.
+represents the first version of the docType to support the enum value. The value
+**MUST** be greater or equal to the `minver` attribute value of the EBML Element it belongs to.
 
 The `minver` attribute is **OPTIONAL**. If the `minver`
-attribute is not present, then the enum value has a minimum version of
-"1".
+attribute is not present, then the enum value has the same value as the `minver` attribute of the
+EBML Element it belongs to.
 
 ### `<extension>` Element