71 lines
1.8 KiB
Plaintext
71 lines
1.8 KiB
Plaintext
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# RelaxNG schema for the "language tag" registry specified in RFC 4646
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# and available at http://www.iana.org/assignments/language-subtag-registry
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# Not standard in any way, just an individual proposal
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# Stephane Bortzmeyer <bortzmeyer@nic.fr>
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# TODO: add Schematron rules for constraints such as "Records that
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# contain a 'Preferred-Value' field MUST also have a 'Deprecated'
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# field. " This specific constraint does not really require
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# Schematron, but others may.
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start = registry
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registry = element registry {date & languages & extlangs & scripts & regions & variants &
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redundants & grandfathereds} # TODO: extensions
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date = element date {xsd:date}
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languages = language*
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language = element language {subtag & common & scope? & suppress-script? & macrolanguage?}
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extlangs = extlang*
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extlang = element extlang {subtag & common & scope? & macrolanguage?}
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scripts = script*
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script = element script {subtag & common}
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regions = region*
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region = element region {subtag & common}
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variants = variant*
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variant = element variant {subtag & common & prefix*} # "Records of type 'variant'
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# MAY have more than one field of type" 'Prefix'.
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grandfathereds = grandfathered*
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grandfathered = element grandfathered {tag & common}
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redundants = redundant*
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redundant = element redundant {tag & common}
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common = added & descriptions & deprecated? & preferred-value?
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added = element added {xsd:date}
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suppress-script = element suppress-script {text}
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descriptions = description+ # Each record MUST contain the following fields
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description = element description {text}
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subtag = element subtag {text}
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tag = element tag {text}
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prefix = element prefix {text}
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macrolanguage = element macrolanguage {text}
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deprecated = element deprecated {xsd:date}
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preferred-value = element preferred-value {text}
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scope = element scope {text}
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