Re: FAQ: questions

[cagle@olywa.net (Kurt Cagle)]

Some more:

Do any validating parsers exist for RELAX NG?

How can I convert from XML Schema to RELAX NG? What about the other way?

Where does RELAX NG work better than XML Schema? Worse?

-- Kurt Cagle


----- Original Message -----
From: "James Clark" <jjc@jclark.com>
To: <relax-ng@lists.oasis-open.org>
Sent: Thursday, August 16, 2001 6:00 PM
Subject: Re: FAQ: questions


> Some more possible questions:
>
> Why does RELAX NG use an XML syntax?
>
> Why is RELAX NG so verbose?
>
> What about entity declarations? Why doesn't RELAX NG allow me to declare
> entities? What do I do if I need to declare an entity?
>
> What about notation declarations? Why doesn't RELAX NG allow me to declare
> notations? What do I do if I need to declare a notation?
>
> Why doesn't RELAX NG do type assignment?  How can I use RELAX NG if I want
> to do schema-based type assignment?
>
> How can I do data-binding with RELAX NG?
>
> Why should I care about RELAX NG when I have DTDs?
>
> What about ID/IDREF? Why doesn't RELAX NG do ID/IDREF? What do I do if I
> need ID/IDREF?
>
> Why doesn't RELAX NG provide a feature like key, keyRef in XML Schema?
What
> do I do if I need this functionality?
>
> Why doesn't RELAX NG provide a <documentation> element?
>
> I read that RELAX NG is based on "regular tree languages"? What's that all
> about? Does it have any practical benefits?
>
> Why does RELAX NG base itself on grammars?  Isn't a constraint-based
> approach like Schematron more powerful?
>
> What about the XML Schema processContents="strict|lax|skip" feature? How
> can I do this in RELAX NG?
>
> What about exclusions (as in SGML)? Why doesn't RELAX NG support
> exclusions? What do I do if I need this functionality?
>
> Why doesn't RELAX NG support minOccurs/maxOccurs as XML Schema?
>
> (Something about namespaces.  Why does RELAX NG take the approach that it
> does? How does RELAX Namespace fit in? Compare with W3C Schema approach.)
>
> (Something about attribute/element content models.)
>
> I read that, unlike DTDs and XML Schema, RELAX NG does not prohibit
> ambiguous content models? Does this have any practical benefit?
>
> What's the use of the <interleave> element in RELAX NG?
>
> What's the use of the <parentRef> element in RELAX NG?  What's the use of
> nested grammars?
>
> What's the use of the combine attribute in RELAX NG?
>
> James
>
> --On 16 August 2001 12:29 -0700 Kohsuke KAWAGUCHI
> <kohsuke.kawaguchi@eng.sun.com> wrote:
>
> >
> > Here is my take ---
> >
> >
> > * Principle behind it
> >
> >   - Why doesn't RELAX NG modify the infoset?
> >   - Why doesn't RELAX NG support inheritance?
> >   - .................... have powerful built-in datatype?
> >   - Why do I need RELAX NG, when there is W3C XML Schema?
> >
> >
> > * Novice Author's questions
> >
> >   - I want to specify the default attribute value. How can I do that?
> >   - I want to specify the identity constraint. How can I?
> >   - How can I express the concept of the inheritance?
> >   - How can I represent the concept of the substitution group of W3C XML
> >     Schema?
> >   - How/where can I learn more about RELAX NG?
> >
> >
> > * General
> >
> >   - What is the relationship between RELAX/TREX and RELAX NG
> >   - What kind of tools are available now?
> >
> >
> > regards,
> > --
> > Kohsuke KAWAGUCHI                          +1 650 786 0721
> > Sun Microsystems                   kohsuke.kawaguchi@sun.com
> >
> >
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