Re: [ubl] Re: Summary: How others handle minor version URIs

["Anthony B. Coates" <abcoates@londonmarketsystems.com>]

Apologies, I won't be able to join in this afternoon.  Just quickly, when  
looking at the W3C policy on namespace changes with versions, it is  
important to remember that HTML has an immense audience, and browsers are  
extremely tolerant of errors in and varieties of HTML.  Most XML formats  
don't have that breadth of audience, and most can't be as tolerant of  
errors and/or versions.  So if UBL follows the HTML versioning model, then  
UBL applications will have to be as tolerant of UBL as HTML browsers are  
of HTML.  That isn't something to be taken lightly.

Cheers, Tony.

On Wed, 02 Nov 2005 13:27:31 -0000, <jon.bosak@sun.com> wrote:

> Oops, missed some input from Mark Baker regarding W3C schema
> efforts.  In a message apparently intended for the ubl-dev list
> but for some reason not archived there, he wrote:
>
>    FYI, XHTML 1.0 and 1.1 used the same namespace, while XHTML 2.0
>    used a new one.  Also, SVG 1.0, 1.1, and 1.2 shared the same
>    namespace.  Off the top of my head, I can't think of any W3C
>    XML based format spec which changed the namespace on a minor
>    version rev.
>
> Revised list below.
>
> Jon
>
> ==================================================================
>
> Group 1a: Changes the namespace for minor versions
>
>    RosettaNet (electronics)
>    MDDL and FpML (financial)
>
> Group 1b: Changes the namespace for minor versions, but not with
>    good results
>
>    Grants.gov (government grants)
>    SEMATECH (manufacturing)
>
> Group 2a: Keeps the namespace the same for minor versions
>
>    OAGIS (automotive and aerospace)
>    XHTML (WWW)
>    SVG (vector graphics)
>    Most (if not all) of the other W3C XML schemas
>
> Group 2b: Keeps the namespace the same, but maintains version info
>    in a revision attribute
>
>    STAR (automotive)
>
>
>
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-- 
Anthony B. Coates
London Market Systems Limited
33 Throgmorton Street, London, EC2N 2BR, UK
http://www.londonmarketsystems.com/
mailto:abcoates@londonmarketsystems.com
Mobile/Cell: +44 (79) 0543 9026
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