Edit comment LC-1042 for Accessibility Guidelines Working Group

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Comment LC-1042

Comment Shortname:

Commenter: Gian Sampson-Wild <gian@tkh.com.au>

Message-id:

Section of the document concerned:

[Free text description]Document as a wholeIntroduction Related Documents Authoring tools The Role of User Agents The Four Principles of Accessibility Important New Terms Used in WCAG 2.0 Conformance Technology assumptions and the "baseline" Conformance levels and the baseline Conformance claims Content that conforms to WCAG 1.0 How to refer to WCAG 2.0 from other documents Guideline 1.1 Success Criterion 1.1.1 Guideline 1.2 Success Criterion 1.2.1 Success Criterion 1.2.2 Success Criterion 1.2.3 Success Criterion 1.2.4 Success Criterion 1.2.5 Success Criterion 1.2.6 Success Criterion 1.2.7 Guideline 1.3 Success Criterion 1.3.1 Success Criterion 1.3.2 Success Criterion 1.3.3 Success Criterion 1.3.4 Success Criterion 1.3.5 Guideline 1.4 Success Criterion 1.4.1 Success Criterion 1.4.2 Success Criterion 1.4.3 Success Criterion 1.4.4 Guideline 2.1 Success Criterion 2.1.1 Success Criterion 2.1.2 Guideline 2.2 Success Criterion 2.2.1 Success Criterion 2.2.2 Success Criterion 2.2.3 Success Criterion 2.2.4 Success Criterion 2.2.5 Success Criterion 2.2.6 Guideline 2.3 Success Criterion 2.3.1 Success Criterion 2.3.2 Guideline 2.4 Success Criterion 2.4.1 Success Criterion 2.4.2 Success Criterion 2.4.3 Success Criterion 2.4.4 Success Criterion 2.4.5 Success Criterion 2.4.6 Success Criterion 2.4.7 Success Criterion 2.4.8 Guideline 2.5 Success Criterion 2.5.1 Success Criterion 2.5.2 Success Criterion 2.5.3 Success Criterion 2.5.4 Guideline 3.1 Success Criterion 3.1.1 Success Criterion 3.1.2 Success Criterion 3.1.3 Success Criterion 3.1.4 Success Criterion 3.1.5 Success Criterion 3.1.6 Guideline 3.2 Success Criterion 3.2.1 Success Criterion 3.2.2 Success Criterion 3.2.3 Success Criterion 3.2.4 Success Criterion 3.2.5 Guideline 4.1 Success Criterion 4.1.1 Success Criterion 4.1.2 Guideline 4.2 Success Criterion 4.2.1 Success Criterion 4.2.2 Success Criterion 4.2.3 Success Criterion 4.2.4 Appendix A: Glossary Appendix B: Checklist Appendix C: Acknowledgements Appendix D: Comparison of WCAG 1.0 checkpoints to WCAG 2.0 Appendix E: References
or

Refinement of the section concerned:

Status:

open proposal pending resolved_yes resolved_no resolved_partial other assigned to Nobody Abma, Jake Abou-Zahra, Shadi Allan, Jim Auclair, Christopher Avila, Jonathan Babinszki, Tom Bailey, Bruce Bernard, Renaldo Bernier, Alex Blake, Matthew Boudreau, Denis Brewer, Judy Butler, Shari Campbell, Alastair Carlson, Laura Chakravarthula, Srinivasu Cirrincione, Pietro Conway, Vivienne Cooper, Michael Crutchfield, Elizabeth Deltour, Romain Dick, Wayne Ding, Chaohai Dirks, Kim Dixit, Shwetank Draffan, E.A. Duggin, Alistair Eggert, Eric Elledge, Michael Faulkner, Steve Ferraz, Reinaldo Fiers, Wilco Fischer, Detlev Foliot, John Garrish, Matt Garrison, Alistair Gower, Michael Guarino Reid, Loretta Hakkinen, Markku Haritos-Shea, Katie Henry, Shawn Hoffmann, Thomas Horton, Sarah Isager, Kasper Jensen, Tobias Christian Johansson, Stefan Johlic, Marc Johnson, Rick Jones, Crystal Joys Andersen, Wilhelm Kapoor, Shilpi Keim, Oliver Kirkpatrick, Andrew Kirkwood, John Kiss, Jason Kraft, Maureen Ku, JaEun Kurapati, Sujasree Lauke, Patrick Lauriat, Shawn Lee, Steve Lemon, Gez Li, Alex Li, Kepeng Li, Liangcheng Loiselle, Chris Lowney, Greg Lui, Edwina Lund, Adam Ma, Jia MacDonald, David Mace, Amanda Manser, Erich Martin, Debra McCormack, Scott McMeeking, Chris McSorley, Jan Milliken, Neil Montgomery, Rachael Mueller, Mary Jo nicole, windmann Niemann, Gundula Nurthen, James O Connor, Joshue Oh, Jeong-Hun Panchang, Sailesh Pandhi, Charu Pasi, Aparna Patch, Kimberly Philipp, Melanie Pluke, Mike Pouncey, Ian Repsher, Stephen Rochford, John Runyan, Marla Savva, Andreas Sawczyn, Steve Schnabel, Stefan Seeman-Kestenbaum, Lisa Sims, Glenda Singh, Avneesh Skotkjerra, Stein Erik Sloan, David Smith, Alan Smith, Jim Solomon, Adam Spellman, Jeanne F Strobbe, Christophe Suprock, Greg Swallow, David Thompson, Kenneth Thyme, Anne Ueki, Makoto Vaishnav, Jatin Vanderheiden, Gregg Venkata, Manoj Wahlbin, Kathleen Wang, Can WANG, WEI White, Jason Zelmanowicz, Erica Zerner, Adam Zhang, Mengni

Type: substantive editorial typo question general comment undefined

Resolution status:

Response drafted Resolution implemented Reply sent to commenter

Response status:

No response from Commenter yet Commenter approved disposition Commenter objected to disposition
Commenter's response (URI):

Comment:

Content negotiation: In Conformance it says "Note: If multiple representations can be retrieved from a URI through content negotiation, then the conformance claim would be for the Web unit that is returned when no negotiation is conducted (unless the server returns an error for that condition, in which case one of the negotiated forms must comply)". Does the WG mean that if there is content negotiation, that only one version of the content need be accessible? What about if one version of content provides more information than the accessible version? That would be a violation of WCAG1 and should be a violation of WCAG2

Proposed Change:

Firstly it should be required that all content from different representations is available from the accessible version. Secondly, at Level 3 it should be required that all versions of content should be accessible.

Related issues: (space separated ids)

WG Notes: [TEAMA] Discussed in the 05 April 2007 telecon: Keep open. http://www.w3.org/WAI/GL/2007/04/05-wai-wcag-minutes.html @@ Gregg and Andi to clean this up in conjunction with:action: Gregg & Andi - create sufficient techniques for alternative versions of "opaque" pages DONE Response: http://lists.w3.org/Archives/Public/public-comments-wcag20/2007Jun/0195.html

Resolution: The content negotiation requirement has been removed. Alternate version is defined as "a version that provides all of the same information and functionality in the same human language and is as up to date as the non-conforming content" Because multiple versions may be provided to accommodate different sets of accessibility-supported Web technologies, to be tuned to specific disabilities, or to accommodate vagaries of different browsers, WCAG does not require that all versions satisfy all the success criterion for any level of conformance. Only one version needs to fully conform. We do require that: 4.) Alternate Versions: If the Web page does not meet all of the success criteria for a specified level, then a mechanism to obtain an alternate version that meets all of the success criteria can be derived from the nonconforming content or its URI, and that mechanism meets all success criteria for the specified level of conformance. The alternate version does not need to be matched page for page with the original (e.g. the alternative to a page may consist of multiple pages). If multiple language versions are available, then conforming versions are required for each language offered.

(Please make sure the resolution is adapted for public consumption)