Re: Binary Data in XML
Tim Bray writes: > Suppose I wrote up a NOTE, should occupy less than one page, > proposing a reserved attribute xml:packed with, for the moment, > only two allowed values, "none" and "base64". The default value is > "none". If an element has xml:packed="base64" this means that This sounds reasonably straight-forward, but I'd like a noun rather than the adjective "packed". Time rightly points out that "xml:encoding" could cause confusion: are there any better suggestions out there? > This obviously couldn't retroactively become part of XML 1.0, but > if it went through a process and became a W3C recommendation, I bet > every parser author in the world would support it in about 15 > minutes. I don't know if the parser authors should worry about it -- how would one deliver the binary information in the DOM or SAX, for example? It seems more likely that people would build support into the higher interface layers like SAXON. > Base64 (a 4-for-3 encoding) wastes 33%, so I thought about perhaps > inventing Base128 (8-for-7) or maybe even a higher level to cut > down wasteage, but Base64 has the advantage that it avoids > UTF8/ISO-8859 confusion and I bet Mr. LZW will eat that 33% > anyhow... Simplicity and ubiquity always win -- stick with Base64, since everyone can already work with it. All the best, David -- David Megginson david@m... http://www.megginson.com/ 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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