Unit test: uri.001
DocBook does not mandate any values for the type attribute, but several useful values have been suggested:
http://example.com/uri/without/a/typehttp://example.com/uri/without/a/type/of/sometypehttp://docbook.org/ns/docbookhttp://xml.org/sax/features/namespaceshttp://xml.org/sax/properties/declaration-handlerhttps://nwalsh.com/https://norman.walsh.name/https://docbook.org/schemas/https://docbook.org