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Re: H48 included in H50

From: Loretta Guarino Reid <lorettaguarino@google.com>
Date: Fri, 28 Aug 2009 15:28:41 -0700
Message-ID: <824e742c0908281528y59d62d16u4ebb4a0c9ef8559@mail.gmail.com>
To: sailesh.panchang@deque.com
Cc: public-comments-wcag20@w3.org
On Mon, Mar 2, 2009 at 9:55 AM, Sailesh
Panchang<sailesh.panchang@deque.com> wrote:
> Well you are right: H48 covers all lists and H50 refers only to links.
> Maybe H48 should  say: "The list structure (ul / ol) is also useful to group
> hyperlinks. When this is done, it helps screen reader users to navigate from
> the first item in a list to the end of the list or jump to the next list.
> This helps them to bypass groups of links if they choose to".
> It does not matter to content authors if a list contains links or other
> elements. They  would not be expected to know features of  screen reader
> software. H48 should emphasize that  if something is a group  that can be
> represented semantically in a list, authors should do so. Doing so benefits
> screen reader users navigate is a benefit that can be highlighted as such.
> So link both 1.3.1 and 2.4.1 to H48. Remove the reference to list in H50.
> Restrict H50 to map element only.
> Thanks for your time
> Sailesh Panchang
> Accessibility Services Manager (Web and Software)
> Deque Systems Inc. (www.deque.com)
> 11130 Sunrise Valley Drive, Suite #140,
> Reston VA 20191
> Phone: 703-225-0380 (ext 105)
> E-mail: sailesh.panchang@deque.com
>
> -----Original Message-----
> From: Loretta Guarino Reid [mailto:lorettaguarino@google.com]
> Sent: Friday, February 27, 2009 5:25 PM
> To: sailesh.panchang@deque.com
> Cc: public-comments-wcag20@w3.org
> Subject: Re: H48 included in H50
>
> On Mon, Jan 19, 2009 at 8:34 AM, Sailesh Panchang
> <sailesh.panchang@deque.com> wrote:
>>
>> H50     Using structural elements (ul/ol,map) to group links    2.4.1
>> H48     Using ol, ul and dl for lists   1.3.1
>>
>> I believe H48 can be merged with H50 and  H48 can be deleted. As per last
>> email, H50 should reference 1.3.1 and 2.4.1.
>> The pair H48 and H50 are like the other pair H42 and H69 (use of heading
>> tags). Both duplicate a technique and refer to a single SC. I had reported
>> about the earlier pair previously.
>>
>> Sailesh Panchang
>> Accessibility Services Manager (Web and Software)
>> Deque Systems Inc. (www.deque.com)
>> 11130 Sunrise Valley Drive, Suite #140,
>> Reston VA 20191
>> Phone: 703-225-0380 (ext 105)
>> E-mail: sailesh.panchang@deque.com
>>
>
> H50 applies only to grouping links, and covers the use of map as well
> as list elements; H48 is a more general technique that applies to any
> kind of list, not just to lists of links.
>
> There clearly is a large overlap in the details of these techniques,
> but neither completely contains the other. They are intended to
> demonstrate ways of meeting different requirements, albeit with
> similar underlying markup.
>
> We would welcome suggestions for ways to make the difference between
> the two techniques clearer, but we think it would be more difficult to
> understand how they apply to the different success criteria if they
> were combined into a single technique.
>
>

================================
Response from the Working Group
================================
Good suggestion. We are modifying these techniques to clarify that H50
is specific to grouping links, while H48 is a more general list
mechanism. We will include these revisions in a future release of the
techniques document.

Thanks.

Loretta Guarino Reid, WCAG WG Co-Chair
Gregg Vanderheiden, WCAG WG Co-Chair
Michael Cooper, WCAG WG Staff Contact


On behalf of the WCAG Working Group
Received on Friday, 28 August 2009 22:29:20 UTC

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