- From: <ed@opera.com>
- Date: Fri, 9 May 2008 10:36:55 -0500
- To: public-xhtml2@w3.org
- CC: xhtml2-issues@mn.aptest.com
Hello, The SVG WG has reviewed the XHTML Role attribute module, W3C Working Draft 7 April 2008, http://www.w3.org/TR/xhtml-role/. General comments ---------------- It's nice to see an extensible solution that allows other languages to add additional roles using the CURIE syntax. The SVG WG looks forward to working with WAI PF to define roles suitable for common types of graphics such as maps, charts, etc. It's is a pity that no RelaxNG schema is provided. Please consider adding one. Whereas XHTML typically has elements to markup text, the text elements in SVG provide no idea about their semantical meaning. Therefore it could be quite useful to have some role values for 'paragraph', 'section', etc. This is especially useful for the interpretation of documents, if there is no visual rendering available due to the capabilities either of the user or the user-agent and improves accessibility of non (X)HTML markup languages. Such attributes might help to align prose text in SVG in a better understandable way in such an additional text view. For poetry (see discussion for HTML5) in contrast to (X)HTML it is typically simple to cover the functionalities of poetry structures with or without specific requirements for graphical rendering with SVG, but for both (X)HTML and SVG there is no idea of the semantical meaning of the elements used to markup poetry (for example 'strophe', '(strophe)line'). To provide any useful functionality with role, it is important to have a larger list of predefined values either in the role specification itself or in the SVG recommendation it will be used for, else it will not be very reliable that the values of role have a meaning at all, if every group or any author has to create his own extension, it would be a big advantage to collect at least the text related things (see above) or even better the already known applications directly in the primary list: http://www.w3.org/1999/xhtml/vocab/#XHTMLRoleModule 3. The XHTML Role Attribute --------------------------- > The following list represents some of the roles defined in the default > vocabulary. They are intended to define regions of the document to help > orient the user. Either make it a complete list, or mark the section as informative. Regards /Erik, on behalf of the SVG WG -- Erik Dahlstrom, Core Technology Developer, Opera Software Co-Chair, W3C SVG Working Group Personal blog: http://my.opera.com/macdev_ed
Received on Friday, 9 May 2008 15:40:24 UTC