[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message]

RE: Non-deterministic content model

  • From: Frank Richards <frichards@s...>
  • To: 'Steve Rosenberry' <Steve.Rosenberry@E...>,xml-dev@l...
  • Date: Wed, 13 Jun 2001 14:24:38 -0400

xml spy non deterministic
>
> Ok, now that I think I understand deterministic vs. non-deterministic
> that leads to a couple of other questions:
>
> 1) Would rewriting the above as <!ELEMENT a (x,(x|y))?> convert the
> original content model to a deterministic one?  As I now
> understand the
> rules, I believe the rewritten content model to be deterministic.  At
> 'a' I can either have 'x' or nothing.  If I have 'x', it must then be
> followed by a single 'x' or 'y'.

That is correct.


> 2) If the rewritten form in (1) is indeed deterministic, will
> parsers do
> the boolean algebra for me to get from the original content
> model to the
> rewritten one, or is this going to be a point of
> incompatibility between
> parsers?  XML-Spy seems very happy to validate using either form.

It is a point of incompatibility: From experience, XML Spy and XMetal (I
work for Softquad) will accept it, msxml will not.

Frank

PURCHASE STYLUS STUDIO ONLINE TODAY!

Purchasing Stylus Studio from our online shop is Easy, Secure and Value Priced!

Buy Stylus Studio Now

Download The World's Best XML IDE!

Accelerate XML development with our award-winning XML IDE - Download a free trial today!

Don't miss another message! Subscribe to this list today.
Email
First Name
Last Name
Company
Subscribe in XML format
RSS 2.0
Atom 0.3
 

Stylus Studio has published XML-DEV in RSS and ATOM formats, enabling users to easily subcribe to the list from their preferred news reader application.


Stylus Studio Sponsored Links are added links designed to provide related and additional information to the visitors of this website. they were not included by the author in the initial post. To view the content without the Sponsor Links please click here.

Site Map | Privacy Policy | Terms of Use | Trademarks
Free Stylus Studio XML Training:
W3C Member
Stylus Studio® and DataDirect XQuery ™are products from DataDirect Technologies, is a registered trademark of Progress Software Corporation, in the U.S. and other countries. © 2004-2013 All Rights Reserved.