RSS 1.1 Second Public Draft

Date:      Mon, 24 Jan 2005 10:14:34 -0500
From:      Christopher Schmidt <crschmidt@crschmidt.net>
To:        rss-dev@yahoogroups.com
Subject:   RSS 1.1

[http://inamidst.com/rss1.1/2005-01-23]

We are pleased to announce the publication of the second public draft of the RSS 1.1 Specification, incorporating feedback received from the syndication community:

http://inamidst.com/rss1.1/
- RSS 1.1: RDF Site Summary
(Preliminary Draft: 23rd January 2005)

The changes to the Specification are as follows. This list of changes is also listed in Appendix B of the specification, Errata.

   1. The RDF/XML version of the RDF Schema and OWL Ontology, ont.rdf, 
      is now the normative version instead of the Turtle version.
   2. Encoding of documents has changed from having to be one of UTF-8, 
      UTF-16, or UTF-32 to allowing any encoding but recommending UTF-8.
   3. Mentions of US-ASCII have been removed as redundant.
   4. Use of RSS 0.92 as an example in the motivation section as been 
      changed to RSS 0.91.
   5. All keyword MUSTs in section 4 have been changed to to musts.
   6. The OWL cardinality constraints are now datatyped with 
      xsd:nonNegativeInteger.
   7. All OWL qualified cardinality constraints have been split up.
   8. rss:item/@rdf:about has been made mandatory.
   9. :Image/:link is now optional in the RDF Schema and OWL ontology.
  10. :URI is now an instance of owl:Class.
  11. Cardinalities of 1 have been changed to minCardinality.
  12. Introductory mention of "up-to-the-minute content" has been 
      changed to be less restrictive.
  13. The RELAX NG compact schema now uses content groups for 
      reusability.
  14. The erroneous grouping constraint, only noted in the changes 
      appendix, has been removed.
  15. rss:image has been added as a property to the RDF Schema and OWL 
      ontology.
  16. Leigh Dodds's status suggestion text has been incorporated.
  17. The applicability of xml:base is now fully specified.
  18. More information has been added on the semantics of 
      rss:item/rdf:about.
  19. Attributes in no namespace are now disallowed in Any sections, 
      reflecting a constraint of RDF/XML.
  20. A non-normative maching readable mappings to RSS 1.0 appendix has 
      been added.
  21. The RDF Schema and OWL ontology now uses annotation properties.
  22. The OWL Ontology is now in OWL Lite instead of OWL Full.

Any feedback on these changes or the specification in general can be sent to the RSS-DEV mailing list, or directly to the authors. For discussion of the RSS 1.1 Specification, there is also an IRC channel on the Freenode[1] IRC network, #rss1.1.

RSS 1.1 is an independant draft and is not supported or endorsed in any way by the RSS-Dev Working Group.

[1] http://freenode.net/

Christopher Schmidt

Prepared by Robin Cover for The XML Cover Pages archive. See: (1) "Independent Developers Release Draft Version of RSS 1.1 (RDF Site Summary)"; (2) "RDF Site Summary" | "Really Simple Syndication" (RSS)"; (3) "Atom Publishing Format and Protocol."