A schema to validate Dublin Core Qualified records as defined by the
DSpace simple archive format. See the DSpace manual, ver. 1.6.1, section
8.3.1.
Top level container for the individual record
The element that contains data values, with attributes for DC element
name, qualifier, and optional language.
List of elements from DSpace System Documentation, Appendix
A
List of qualifiers from DSpace System Documentation, Appendix A. Local
additions: "none"
Allows two-letter codes, three-letter codes, and two-letter qualified
codes (e.g. "en_US" or "en-US")
Provided to valid a root element when checking an instance with
multiple dublin_core records. Add xsi:type to the root.