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Re: version numbers and infosets

• To: <xml-dev@l...>
• Subject: Re: version numbers and infosets
• From: "Jeff Rafter" <jeffrafter@d...>
• Date: Tue, 23 Jul 2002 21:01:11 -0500
• References: <200207230943.KAA20828@m...> <004401c232a4$3a038610$fe193044@tbp1>

> It seems to make sense, yet I have a bit of trouble thinking a document is
> not well-formed when it can become well-formed just by removing the xml
> declaration.  I remember we had some long threads on this months ago (or
was
> it last year?) but I do not remember any well-accepted solution emerging.
> Guess it is time again.
>
> How about if
>
> 1) A 1.1 parser could optionally have a 1.0 mode, and
> 2) There were programmatic means to query whether it supported 1,0, and if
> it did,
> 3) The parse mode could be set programmatically, and maybe
> 4) Such a parser failing on a document could optionally (under program
> control) switch modes and try again.  This last could be a recommended
> design practice, rather than a requirement.

This makes a great deal of sense to me. I am not having an issue with 1.1
parsers that can parse 1.0 documents (they simply support two versions). I
have a problem with 1.0 parsers that parse 1.1 documents by chance. I agree
with Elliotte Rusty Harold that if a document is compatabile in both
(especially if it is designed with that intent) it should be labeled 1.0--
if that is the effect the author wishes to achieve.

All the best,
Jeff Rafter
Defined Systems
http://www.defined.net
XML Development and Developer Web Hosting

• Follow-Ups:
  • Re: version numbers and infosets
    • From: "Rick Jelliffe" <ricko@a...>

• References:
  • Re: version numbers and infosets
    • From: Richard Tobin <richard@c...>
  • Re: version numbers and infosets
    • From: "Thomas B. Passin" <tpassin@c...>

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