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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Polyglot XHTML5 Validator?
 On 24/05/2011 10:20, Jesper Tverskov wrote: > That we need to use the title element in the head section is not only > BEST PRACTICE, which I have learned is out of scope in this context, > but the spec actually says: > > 6.1 Required Elements > "Every polyglot markup document contains an html, head, title, and > body element." > polyglot elements are by definition valid html, so will have a title, but that doesn't need to be checked by this schematron. > We _need_ an assertion for DOCTYPE. You forgot that we can have a > DOCTYPE looking like the following: > <!DOCTYPE HTML> > > The above is valid HTML5, it is well-formed even if the top-element is > lower-case, but the Polyglot Spec explicitly says: > > 4. DOCTYPE > "The string html is in lowercase letters." > grr I suppose so, I currently say that the input has to be valid html and well formed xml. It would be tempting to say it had also to be valid xml using a catalog supplying some minimal dtd (which would also ensure no entity references were used) but unfortunately using a catalog for that form requires a optional feature of the xml catalog spec (defaulting a dtd based on top level element name) Most likely though I should document this as a restriction rather that change the schematron, it's not reliable to reload the same document via unparsed-text (the original document may not be available if for example it was originally supplied as a stream on standard input.) again, the polyglot spec is wrong to make this requirement (as html/xml parsing is not affected, which is why it is hard to check it with schematron) so perhaps the correct fix here is to enter a bug on the spec. David David ________________________________________________________________________ The Numerical Algorithms Group Ltd is a company registered in England and Wales with company number 1249803. The registered office is: Wilkinson House, Jordan Hill Road, Oxford OX2 8DR, United Kingdom. This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. ________________________________________________________________________ 
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