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   RE: XSLFo

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  • From: martind@netfolder.com
  • To: <xml-dev@xml.org>
  • Date: Mon, 12 Jun 2000 05:52:31 -0400

Christopher said:
That's not true. XSL has all of the aural properties from CSS2, and those, 
taken together with just the block and inline objects, allows for 
moderately sophisticated audio presentation. It's not possible to produce, 
for example, an audio play with overlapping voices (at least not without 
some background-sound hackery), but it's passable - in 
theory. Implementation is an entirely different story, of course. 

Didier replies:
Yes indeed, XSLFo supports the CSS2 "aural" properties. So, to be more precise I should have said that the "aural" supported model is not as sophisticated, for instance, as the VoiceXML model. So, even if this true that XSLFo supports a rudimentary "aural" model, it is nearly nothing compared to VoiceXML. Now, imagine using XSLT + VoiceXML and compare the level of sophistication you get with the level you get with XSLFo. The question now is: Will people use XSLT+VoiceXML or the XSLFO aural model? the other question is (and this is probably the most important one) Will you find any XSLFO "aural" implementations or will you find any VoiceXML implementations? To my knowledge there is more then 3 voiceXML browsers currently in development or in test. How many "aural" XSLFo interpreters are currently under devlopement or under tests? To my knowledge there is none? Does Anybody knows one under development or under tests? if yes, please let us know.

So, Let's be more precise and correct the original sentence. Even if XSLFo theoritically specifies a rudimentary "aural" model, what is the probability that you'll find any "aural" XSLFo browser? And the second question is: Is there any "aural" implementation available? Is this better now? Is the sentence enough precise?


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