… UDC Syntax Encoding Schemes Box ISO3166 ISO639-2 ISO639-3 Period Point RFC1766 RFC3066 RFC4646 RFC5646 URI W3CDTF Classes Agent AgentClass BibliographicResource FileFormat Frequency Jurisdiction LicenseDocument LinguisticSystem Location LocationPeriodOrJurisdiction MediaType Med…

… UDC Syntax Encoding Schemes Box ISO3166 ISO639-2 ISO639-3 Period Point RFC1766 RFC3066 RFC4646 RFC5646 URI W3CDTF Classes Agent AgentClass BibliographicResource FileFormat Frequency Jurisdiction LicenseDocument LinguisticSystem Location LocationPeriodOrJurisdiction MediaType Med…

… UDC Syntax Encoding Schemes Box ISO3166 ISO639-2 ISO639-3 Period Point RFC1766 RFC3066 RFC4646 RFC5646 URI W3CDTF Classes Agent AgentClass BibliographicResource FileFormat Frequency Jurisdiction LicenseDocument LinguisticSystem Location LocationPeriodOrJurisdiction MediaType Med…

… UDC Syntax Encoding Schemes Box ISO3166 ISO639-2 ISO639-3 Period Point RFC1766 RFC3066 RFC4646 RFC5646 URI W3CDTF Classes Agent AgentClass BibliographicResource FileFormat Frequency Jurisdiction LicenseDocument LinguisticSystem Location LocationPeriodOrJurisdiction MediaType Med…

…k elements MAY have an hreflang attribute, whose value MUST be a language tag [ RFC3066 ]. 4.2.7.5 . The "title" Attribute The "title" attribute conveys human-readable information about the link. The content of the "title" attribute is Language-Sensitive. Entities such as "&"…

… UDC Syntax Encoding Schemes Box ISO3166 ISO639-2 ISO639-3 Period Point RFC1766 RFC3066 RFC4646 RFC5646 URI W3CDTF Classes Agent AgentClass BibliographicResource FileFormat Frequency Jurisdiction LicenseDocument LinguisticSystem Location LocationPeriodOrJurisdiction MediaType Med…

… UDC Syntax Encoding Schemes Box ISO3166 ISO639-2 ISO639-3 Period Point RFC1766 RFC3066 RFC4646 RFC5646 URI W3CDTF Classes Agent AgentClass BibliographicResource FileFormat Frequency Jurisdiction LicenseDocument LinguisticSystem Location LocationPeriodOrJurisdiction MediaType Med…

… UDC Syntax Encoding Schemes Box ISO3166 ISO639-2 ISO639-3 Period Point RFC1766 RFC3066 RFC4646 RFC5646 URI W3CDTF Classes Agent AgentClass BibliographicResource FileFormat Frequency Jurisdiction LicenseDocument LinguisticSystem Location LocationPeriodOrJurisdiction MediaType Med…

… UDC Syntax Encoding Schemes Box ISO3166 ISO639-2 ISO639-3 Period Point RFC1766 RFC3066 RFC4646 RFC5646 URI W3CDTF Classes Agent AgentClass BibliographicResource FileFormat Frequency Jurisdiction LicenseDocument LinguisticSystem Location LocationPeriodOrJurisdiction MediaType Med…

…n text. Its value must be a valid RFC 3066 language code, or the empty string. [RFC3066] The xml:lang attribute is defined in XML. [XML] If these attributes are omitted from an element, then it implies that the language of this element is the same as the language of the parent el…

…on (Second Edition) , http://www.w3.org/TR/2003/REC-PNG-20031110 , W3C, 2003. [ RFC3066 ] H. Alvestrand, Tags for the Identification of Languages , http://www.ietf.org/rfc/rfc3066.txt , IETF, 2001. [ UAX9 ] Mark Davis, The Bidirectional Algorithm , Unicode Standard Annex #9, http…

…n text. Its value must be a valid RFC 3066 language code, or the empty string. [RFC3066] The xml:lang attribute is defined in XML. [XML] If these attributes are omitted from an element, then it implies that the language of this element is the same as the language of the parent el…

…ansfer Protocol -- HTTP/1.1, http://www.ietf.org/rfc/rfc2616.txt , IETF, 1999. [RFC3066] H. Alvestrand, Tags for the Identification of Languages, http://www.ietf.org/rfc/rfc3066.txt , IETF, 2001. [RFC3987] M. Duerst, M. Suignard, Internationalized Resource Identifiers (IRIs), htt…

…ument obsoletes [ RFC2376 ]. Available at: http://www.ietf.org/rfc/rfc3023.txt [RFC3066] " Tags for the Identification of Languages ", H. Alvestrand, January 2001. Available at: http://www.ietf.org/rfc/rfc3066.txt [RFC3236] " The 'application/xhtml+xml' Media Type ", M. Baker, P.…

…d graph to be tidy with low effort ..if literals equal, need to be identical ...rfc3066 on lang tags, they're case insensitive ...tidyness violated by = instead of == test ...so we normalise pat: we could normalise to uppercase jjc: why not, we don't care b: why not say isn't a c…