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Public identifiers, parsing |
You can parse a XML/SGML public identifier into its constituent parts using the following pattern. It is sometimes necessary to decode a public identifier when resolving an entity.
match ("+//" any** => registered-owner-identifier "//" | "-//" any** => unregistered-owner-identifier "//" | any** => iso-owner-identifier "//" ) any** => public-text-class "%_" ("-//" => unavailable-text-indicator)? any** => public-text-description "//" (letter{2} => public-text-language value-end | ((any** => public-text-designating-sequence ("//" | value-end)) (any* => public-text-display-version)? ) )
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