OK. Next version of XXE will allow detecting a document type based on
attributes found in the root element. The detection may be based on
attribute names and/or attribute values.

(* Internal reasons prevent the implementation from using any element
other than the root element.
* Speed constraints prevent the implementation from using the power of
XPath expressions.)



Camille B?gnis wrote:
> Hussein Shafie a ?crit :
> 
> [...]
> 
>>In the example above, the detection would be based on the presence of an
>>attribute of the root element. This is currently not implemented but
>>would pose no conceptual or technical problem. If there is sufficient
>>interest, we could implement this feature.
> 
> I support this stringly as it would also be very useful for DocBook
> variants http://www.docbook.org/tdg5/en/html/ch05.html#s-notdocbook



Daniel Dekany wrote:
> I guess if you extend the detection mechanism it will be utilized by
> many. Like I already wanted to send a feature request in this topic. I
> wanted config detection based on the *value* of an attribute (or if an
> NMTOKEN occurs in its value), but it seems not be possible. And maybe
> PI-s could be usable for detection as well.
> 
> You used to say that one could customize XXE to meet his
> needs/conventions. OK, but the problem is, if someone installs the
> customized DocBook config that was made for project A, which has its
> own particularities, then that config will be used for all DocBook
> documents, not only for those that belong to project A. To work this
> around, currently I said that project A documentation uses exactly
> DocBook V4.5 and then I use the DTD public ID for the detection, and
> hope that those who install the addon will not run into other V4.5
> DocBook-s too often. In fact, I already have another custom DocBook
> for project B, which only to let XXE using the proper config on my XEE
> installation (which must handle documents from both projects) uses
> DocBook v4.4 instead of v4.5.
> 
> Now if I could mark somehow which project the DocBook document belongs
> to, that would solve this. Like, I could use a <book
> conformance="projectA">...</book>. Or a PI maybe, like <?editor
> conventions="projectA" ?> (but I'm not sure how good idea that is).



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