Why validate? (was Re: Parser compliance)
Maybe I was overly influenced by the fact that my first exposure to pointy brackets was in the context of SGML, but I think validation is pretty fundamental. A DTD is like a contract, it helps both clients and service providers to maintain a satisfactory working relationship. 1) As a client, I validate to save wasted round-trips when service providers bounce my submissions for syntactic errors; 2) As a service provider, I validate to save resources, at two levels: 2a) During application development, the earlier phases of system structure are much simpler and clearer because they don't mix (syntactic) error detection and basic structure construction; 2b) During application operation, syntactic errors are detected and reported in a standard way likely to be familiar to clients, reducing handholding requirements. In my own development work, I find (2a) particularly pertinent, whether the applications involved are programs OR stylesheets. ht -- Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh 2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440 Fax: (44) 131 650-4587, e-mail: ht@c... URL: http://www.ltg.ed.ac.uk/~ht/ 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/ and on CD-ROM/ISBN 981-02-3594-1 To unsubscribe, mailto:majordomo@i... the following message; unsubscribe 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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