- From: Sailesh Panchang <sailesh.panchang@deque.com>
- Date: Wed, 19 Feb 2014 16:51:55 -0500
- To: "Tongue, Matt" <Matt.Tongue@nrc-cnrc.gc.ca>
- Cc: "w3c-wai-ig@w3.org" <w3c-wai-ig@w3.org>
Matt, Yes, the headers attribute of every data cell should contain the id references of all associated header cells. When focus is on a particular data cell, that cell can expose all related header cells to the screen reader then. Thanks, Sailesh On 2/19/14, Tongue, Matt <Matt.Tongue@nrc-cnrc.gc.ca> wrote: > When marking up a table with multiple levels of headings, is it mandatory to > always put all header cell IDs into the headers attribute of a cell? > > For example, if a data cell has 3 header cells, but the 2nd header cell's > headers attribute references the 1st header's ID, would it not suffice for > the data cell to just reference header cells 2 and 3, since header cell 2 > references header cell 1 (thus creating a relationship already)? Or must > every header always be identified for every cell, no matter what? > > Reference: http://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/H43 > >
Received on Wednesday, 19 February 2014 21:52:23 UTC