[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: question about XSLT namespace
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 15.6.2018 8:54, David Carlisle d.p.carlisle@xxxxxxxxx wrote: > This was discussed at great length when namespaces were > introduced. Although some vocabularies chose to change the > namespace at version changes it's a really bad idea. If you change > the namespace then you change the name of every construct in the > language, that isn't a new version it is a new, incompatible, > language. And just to extend this little bit -- fact that namespace change creates new incompatible language is often used for versioning. As long as new versions of vocabulary are backward compatible and semantics of individual element is not changed then namespace is not changed. But when breaking change has to be included into vocabulary then namespace should be changed to make sure that old tools will break on a new "incompatible" content. This is quite common pattern especially in data-exchange vocabularies. But XSLT versioning/namespace policy is based on a similar idea. - -- - ------------------------------------------------------------------ Jirka Kosek e-mail: jirka@xxxxxxxx http://xmlguru.cz - ------------------------------------------------------------------ Professional XML and Web consulting and training services DocBook/DITA customization, custom XSLT/XSL-FO document processing - ------------------------------------------------------------------ Bringing you XML Prague conference http://xmlprague.cz - ------------------------------------------------------------------ -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (MingW32) iEYEARECAAYFAlsnd3MACgkQzwmSw7n0dR4j/gCgwDrCTxfhwkhUXbJUIUZWHtZh 21IAoI+UwHUniGErL3sqxyH3+VsFQWyS =P8wJ -----END PGP SIGNATURE-----
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