Subject: XSL: Strawman comments, XS-970522 From: Chris Maden <crism@xxxxxxx> Date: Thu, 21 Aug 1997 11:32:21 -0400 |
3.1 aligned-column Do we really need this feature? To me, it seems unnecessarily fancy; can a supporter please justify it? 3.3 Marginalia Again, this seems unnecessary for a minimal conforming application. Can someone state why it's needed? 4.5 font-name The font-name characteristic takes a public identifier as its argument; the strawman dictates that it shall be handled in the manner mandated by the Standard. This means that XSL will be caught up in defining a method of resolving public identifiers to some object, and specifying how those objects shall describe a set of font characteristics. In general, the emphasis of DSSSL on public identifiers, while being the SGML way, seems to conflict with the URL-centric XML way. 4.6 first-line-align See 4.15. 4.9 input-whitespace-treatment Is my thinking correct that a requirement of support for this characteristic obviates the need for XML-SPACE in XML? If so, can someone more expert in DSSSL than I vouch for this in the XML SIG? 4.12 notation-system-id The strawman requires this to be handled in the standard; the standard mandates that this must be specified, and must be a system identifier. I repeat the plea I have made on the XML SIG; notation system identifiers must be permitted to be MIME types. This requirement will frustrate creators of XSL stylesheets; what do I put for the system identifier for GIF? People will make up bogus things and applications will ignore them, unless we permit a reasonable value here. If you agree, please speak up on the XML SIG; I feel that this point is being ignored. 4.15 In 4.6, it was said that first-line-align can be ignored. That is not possible if the alignment-point flow object class must be supported. I still think that aligned columns are not necessary in minimal implementations and would favor removing this clause, but if it is not removed, 4.6 needs to be changed. 4.17 table-auto-width-method As with 4.5's font-name, I feel that this will drag XSL into needing to define public identifier mechanisms. For this particular characteristic, it would be possible to enumerate a list of public identifiers and methods (HTML method, CALS method), but it must be handled carefully and not, I think, with S as in the strawman. 4.23 background-tile This requires a public identifier for a graphic, at odds with XML's URL-centric view, and with established Web practice of referring to a background graphic with a URL. This will seriously upset experienced Web authors, and will again drag us into specifying a public ID resolution method. -=-=-=-=- -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/ <TEL>+1.617.499.7487 <FAX>+1.617.661.1116 <USMAIL>90 Sherman Street, Cambridge, MA 02140 USA" NDATA SGML.Geek> DSSSList info and archive: http://www.mulberrytech.com/dsssl/dssslist
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