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add minver/maxver attributes to enum values #406

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add minver/maxver attributes to enum values #406

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8ad2c4a
add a minver attribute to enum values
robUx4 Apr 4, 2021
f564925
make the enum minver greater or equal than the <element> minver
robUx4 Apr 4, 2021
b117716
add a maxver attribute to enum values
robUx4 Jun 6, 2021
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2 changes: 2 additions & 0 deletions EBMLSchema.xsd
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Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,8 @@
</xs:sequence>
<xs:attribute name="label"/>
<xs:attribute name="value" use="required"/>
<xs:attribute name="minver"/>
<xs:attribute name="maxver"/>
</xs:complexType>

<xs:complexType name="documentationType" mixed="true">
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28 changes: 28 additions & 0 deletions specification.markdown
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Expand Up @@ -1155,6 +1155,34 @@ The value represents data that **MAY** be stored within the EBML Element.

The `value` attribute is **REQUIRED**.

#### minver

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. The value
**MUST** be greater than or equal to the EBML Element's minimum version this enum belongs to.

The `minver` attribute is **OPTIONAL**. If the `minver`
attribute is not present, the enum's minimum version is the same as the
EBML Element's minimum version this enum belongs to.

#### maxver

Within an EBML Schema, the XPath of the `@value` attribute is
`/EBMLSchema/element/restriction/enum/@maxver`.

The `maxver` (maximum version) attribute stores a nonnegative integer that
represents the last or most recent version of the docType to support
the enum value. `maxver` **MUST** be greater than or equal to
the first version of the docType to support the enum value, whether it's set
in the `minver` attribute of the enum or implied.

The `maxver` attribute is **OPTIONAL**. If the `maxver`
attribute is not present, the enum's maximum version is the same as the
EBML Element's maximum version this enum belongs to.

### `<extension>` Element

Within an EBML Schema, the XPath of the `<extension>`
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