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v3.0 Changes

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Jukka Kervinen edited this page Aug 18, 2014 · 2 revisions

Summary of changes for version 3.0

  • Anonymous types changed to named types (to allow use of xsd:redefine mechanism)
  • Version added to xsd:schema.
  • SCHEMAVERSION attribute added to element.
  • documentIdentifier element added to element (+ documentIdentifierLocation attribute)
  • Changed schema version to 3.0
  • Changed namespace and targetNamespace to http://www.loc.gov/standards/alto/ns-v3#

ALTO schemas will be updated by whole numbers upon making changes that break backward compatibility (version 1 to version 2), and decimals for changes that will not (2.0 to 2.1). The namespace itself will also only change on major versions (ns-v2 to ns-v3).

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