[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: SDD again
At 22:55 08/05/98 -0700, [several people] wrote: [... important and occasionally emotive discussion of SDD snipped...] This discussion exemplifies one of the roles we hoped XML-DEV could address - that different people could make different semantic assumptions from the spec. I am not surprised that this particular problem has surfaced because the distinction between validity and well-formedness is new and because it has been clear that it is a difficult one to formalise. In the current situation it would appear that different parser-creators can create code which can sometimes produce different parse trees from the same document. [Please correct me if I'm wrong.] These writers are not incompetent - they take different interpretations of what the spec requires to be done and under what circumstances. If - as appears - we have a spec which is fuzzy in places then we it would be extremely useful to know - dispassionately - where the problems lie. If they can be identified then we might be able to: - agree on a common course of action and/or - agree that the document creator could encode her wishes in some way and/or - agree that the parserwriter could make various options available to the reader/client (e.g. through commandline switches). Some validating parsers (e.g. DXP) already have commandline switches (e.g. -v for validate) and I suspect that there will be increasing pressure to add more ('ignore standalone declaration' for example). If we could systematise these it could be one way to reduce unexpected effects of parsing. [But I'm not the right person to offer :-)] P. Peter Murray-Rust, Director Virtual School of Molecular Sciences, domestic net connection VSMS http://www.nottingham.ac.uk/vsms, Virtual Hyperglossary http://www.venus.co.uk/vhg xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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