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Subject: Re: DOCBOOK: FAQ: XML solution for conditonal sections
Bernd Kreimeier wrote: > The way I read this I can use multiple attributes to implement orthogonal > criteria like "target=internal|public" and "profile=reference|annotation|rfc", > and I can use multiple values each single element's attribute. Is it recommended > to use attr="val1;val2" or better to define a "val1and2"? E.g. profile="full" > would be equivalent to "reference;annotation;rfc" and include all. Profiling stylesheet doesn't have any special support for compounded clasess. So using first way will bring you less troubles. > I would also guess that per-element attributes allow for different kinds of > filtering strategies. For example > > <section target="internal"> > <title>Something Public</title> > <para target="public"> > Some public content > </para> > </section> > > can be considered > a) an error - contained elements should not contradict the parent's settings > b) an override - parent element defines a default, which can be overridden > (won't work for the "public" rendering as the <section> is lost) > c) a mistake in the design? Don't make them common attributes? > > Any recommendations for this? I found > CVS docbook/xsl/tools/profile/profile.xsl This implementation cuts whole sub-trees in XML source. So if some element doesn't belong to target profile all its children are ignored. > anything other examples I should look at? I'd expect that creating > inconsistent attributes in the XML will create a broken profiled > intermediate (e.g. title missing, empty para etc.), which will be > detected in the second stage processing, so for user convenience it > might be worth having consistency checking in the profiling stage? Approach mentioned above prevents you from creating invalid markup for 99%. Jirka -- ----------------------------------------------------------------- Jirka Kosek e-mail: jirka@kosek.cz http://www.kosek.cz
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