[relax-ng] Re: RELAX NG + Schematron

[Kohsuke KAWAGUCHI <kohsuke.kawaguchi@sun.com>]

> The issue isn't the syntax but the fact that the Schematron assertion 
> specifies an error message to be given to the user.  With the 
> use-schematron-to-guide-RNG approach, it may be ambiguous which Schematron 
> constraint was not satisfied, so there's no way to determine which message 
> to the user. If you just have attribute (x:require) with no message, then 
> that doesn't matter.

I'm not sure how it will become ambiguous. Any example?



> Isn't checking this going to be exponential with something like
> 
> (a? & b? & c? & ...)*
> 
> ?

Hmm, I think the algorithm can be further modified to exploit the
disjointness of interleave. We don't need to compare different branches
of interleaves, and this should prevent the explosion.


regards,
--
Kohsuke KAWAGUCHI                          +1 650 786 0721
Sun Microsystems                   kohsuke.kawaguchi@sun.com