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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Common XML (was Re: Document Feature Requirements)
 [David Hunter] [...] > >I've seen people mentioning (perhaps not explicitly) that when you put a PI >into a document, it may not make it through round-tripping, and only certain >applications would know how to handle it; but that's the POINT. A PI has a >PITarget - an application that knows what this PI means, and what it's >supposed to do with it. Other applications don't (or shouldn't) need to >know about that PI. They need to know about the PI insofar as XML->XML transformations should not *loose* the PI. > (I'd also like to know why "round tripping" is of such >importance to Common XML, and what is meant by the term in this context.) Software that takes XML in on the input side and produces some form of XML on the output side. This is round-tripping. Loosing PIs, comments etc. as part of round tripping is generally unacceptable. > >Along the same lines, people have worried that round-tripping documents >might lose comments, but again, that's fine. No it is not fine. I write a program that munges the telephone numbers stored in the 5 GB of XML that make up the documentation for my organizations products. In so doing, I loose all the comments? Boy, will I be popular with the tech. doc. department! [...] > >If Common XML is advocating that you don't do things like ><!--bgcolor='whatever'--> because it's not really part of the document, then >I'm right there with the SML-DEV developers. But if they're saying that you >should instead include comment information in elements, so that they can >make it through this nebulous "round tripping" concept, then they've lost >me, because comments are not supposed to be part of the document, and we >shouldn't be treating them as such. It boils down to what you are happy to loose from your XML documents as part of everyday XML->XML transformations. I don't use XML 1.0 comments precisely because they don't make it through most XML wringers. <comment>I do have comments in my documents though:-)</comment> http://www.pyxie.org - an Open Source XML Processing library for Python *************************************************************************** This is xml-dev, the mailing list for XML developers. To unsubscribe, mailto:majordomo@x...&BODY=unsubscribe%20xml-dev List archives are available at http://xml.org/archives/xml-dev/ *************************************************************************** 
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