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   Re: [xml-dev] Why is there no schema for RSS?

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  • To: <xml-dev@lists.xml.org>
  • Subject: Re: [xml-dev] Why is there no schema for RSS?
  • From: Lars Marius Garshol <larsga@garshol.priv.no>
  • Date: 03 Sep 2002 23:50:53 +0200
  • In-reply-to: <8BD7226E07DDFF49AF5EF4030ACE0B7E0696F88C@red-msg-06.redmond.corp.microsoft.com>
  • References: <8BD7226E07DDFF49AF5EF4030ACE0B7E0696F88C@red-msg-06.redmond.corp.microsoft.com>
  • Sender: larsga@pc36.avidiaasen.online.no
  • User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1

* Dare Obasanjo
| Considering that the describing a structure for XML and ensuring
| that documents conform to that structure is generally a solved
| problem I find it perplexing that no schema for RSS (besides an RDF
| schema) exists.

The RSS 0.91 specification from Netscape had a DTD:
  <URL: http://my.netscape.com/publish/formats/rss-spec-0.91.html >

Given that RSS 0.91 did not enforce a particular order on most
elements XML DTDs were not a particularly good fit, but they used it
anyway, probably because they had an example to start from.

Why the later versions didn't have any sort of formal schema I can't
answer. I wondered about that, too. 

Lars Marius Garshol, Ontopian         <URL: http://www.ontopia.net >
ISO SC34/WG3, OASIS GeoLang TC        <URL: http://www.garshol.priv.no >


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