[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Last minute request for BASE64 section support in XML 1.0
[Don Park] > Notation declarations have no use for non-validating applications. > IMHO, most applications will validate only during design time and > never during runtime. Unless some means independent of DTD must be > used to indicate that content is encoded form of some binary data. The notation mechanism is provided for exactly this purpose. I'm not sure why it's unacceptable to you, but I don't think that developing a secondary means of providing the same information is preferable. I'm not very thrilled with the way notation works, but given Dan Connolly's comments about moving MIME towards a URL-based mechanism, then MIME types can be used as notation system identifiers. You can not expect to process XML documents in total ignorance of the DTD. You can expect to process many XML documents with only the internal subset, and you can mandate for your application that notation declarations be in the internal subset. I don't see why <!DOCTYPE foo [ <!NOTATION base64 ...> ... ]> <binary-data notation="base64">...</binary-data> is unacceptable, but <!DOCTYPE foo [ ... ]> <binary-data><![BASE64[...]]></binary-data> is acceptable. The first even provides for a measure of extensibility (!) that the second lacks. This discussion should probably be moved to the XML SIG, as it involves the design of XML, not its implementation. -Chris -- <!NOTATION SGML.Geek PUBLIC "-//Anonymous//NOTATION SGML Geek//EN"> <!ENTITY crism PUBLIC "-//O'Reilly//NONSGML Christopher R. Maden//EN" "<URL>http://www.oreilly.com/people/staff/crism/ <TEL>+1.617.499.7487 <USMAIL>90 Sherman Street, Cambridge, MA 02140 USA" NDATA SGML.Geek> 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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