- From: Jon Gunderson <jongund@staff.uiuc.edu>
- Date: Thu, 04 Jun 1998 11:44:21 -0500
- To: dd@w3.org
- Cc: nir dagan <dagan@upf.es>, ij@w3.org, w3c-wai-gl@w3.org, w3c-wai-ua@w3.org
So the consensus is that class is really better than rel and we pick something like "wai-dlink" as a reserved class name? Jon At 04:34 PM 6/4/1998 +0200, Daniel Dardailler wrote: > >> What is the advantages of using "rel=dlink" over "class=dlink" for >> providing a mechanism for UAs to identify a D-Link ? >> Jon > >Responding to messages from Nir and Jon. > >Bottom line: class is better than rel, because it's supported by css1. > >After Nir sent his message, I sent this message to the W3C HTML staff. > > >| For WAI, we'd like to be able to mark a particular type of link as >| being a long description for an image. >| >| First we though about >| >| <IMG SRC=foo ALT=bar> <A CLASS=dlink HREF=foo> D </A> >| >| but then we said, why not use REL instead, which seems more specific: >| >| <IMG SRC=foo ALT=bar> <A REL=dlink HREF=foo> D </A> >| >| but someone said rel is for a relation between the current *document* >| and the target, not the current element (that would be the A here) >| >| From HTML4: >| A.rel = link-types [CI] >| This attribute describes the relationship from the current document to >| the anchor specified by the href attribute. The value of this attribute >| is a space-separated list of link types. >| >| I understand REL for LINK is for the current document, but why is REL >| for A for the whole document as well ? >| > >and Dave Raggett said: > > >| The formal model (after Dexter) is that of a source anchor and >| destination anchor. For LINK the source anchor is the document, >| while for A it is the element. You could still use the REL attribute >| as in your second example, since the type of the link is associated >| in this case with the semantics that the element follows an image >| element and references information that pertains to it. >| >| On a practical note, CSS1 can't match against the value of the REL >| attribute, so if that is important, you may want to use the CLASS >| attribute to allow you to style such anchors. This is not a problem >| for CSS2, though, which can match REL attributes. > > Jon Gunderson, Ph.D., ATP Coordinator of Assistive Communication and Information Technology Division of Rehabilitation - Education Services University of Illinois at Urbana/Champaign 1207 S. Oak Street Champaign, IL 61820 Voice: 217-244-5870 Fax: 217-333-0248 E-mail: jongund@uiuc.edu WWW: http://www.staff.uiuc.edu/~jongund http://www.als.uiuc.edu/InfoTechAccess
Received on Thursday, 4 June 1998 12:47:40 UTC