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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Need a language whiz: An XML Schema "specifies" howdata is
 On 08/01/2018 09:20, Rick Jelliffe wrote: I still don't see what the novelty of "epischemas" is supposed to be, apart from giving a name (which is welcome). James Clark did this parallel grammar technique for HTML IIRC, as a way to reconstruct SGML's IIRC, Gerrit did refer to James Clark's precedent (and its absence of a name) in his talk, though I can't find a mention of it in either of Gerrit's slides or paper. exclusion exceptions (i.e. that an <a> could not contain an <a> etc) without combinatorial explosion. Schematron supported multiple patterns in parallel from the start. DSDL's NVRL was based on selecting different sections of documents and running them through different schemas (including in parallel). Lloyds of London Financial Markets use of layers of increasing complexity (IIRC a basic grammar, then a complex grammar, then a Schematron) to weed out bad transactions efficiently was widely reported. And the idea of a Bloom filter is basic CS knowledge. Everybody here is pro-Schematron, but Gerrit's stated reason for using multiple schema bundled with NVDL is context-aware content completion in editors. Regards, Tony Graham. -- Senior Architect XML Division Antenna House, Inc. ---- Skerries, Ireland tgraham@antenna.co.jp 
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