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Re: SC 1.3.3/F14: ALT text which describe shapes

From: Loretta Guarino Reid <lorettaguarino@google.com>
Date: Fri, 21 May 2010 14:50:19 -0700
Message-ID: <AANLkTimQqLtU_VjFkFbvDjidcgOjpW_qk1E7Hb5RmAHe@mail.gmail.com>
To: makoto.ueki@gmail.com
Cc: public-comments-wcag20@w3.org
On Wed, May 5, 2010 at 3:53 AM,  <makoto.ueki@gmail.com> wrote:
> Name: Makoto Ueki
> Email: makoto.ueki@gmail.com
> Affiliation: Infoaxia, Inc.
> Document: TD
> Item Number: F14
> Part of Item: Examples
> Comment Type: question
> Summary of Issue: SC 1.3.3/F14:  ALT text which describe shapes
> Comment (Including rationale for any proposed change):
> The 3rd example reads "A screen reader user cannot determine which button is square, triangular, or round. The buttons must have additional information to indicate their functions."
> However the screen reader user can determine which button he/she should press if each image has alt text which describes its shape. For example, "Square Button", "Triangular Button", and "Round Button".
> Though these alt text don't describe their functions, they will work for screen users.
> Proposed Change:
> I'd like to make sure that SC 1.3.3 covers people who are blind and people who have low vision. If so, the last sentence can be revised to "The buttons must have additional information to indicate their functions or their shapes."
> At the same time, I'd like to confirm that SC 1.3.3 is not intended to cover users who can't distinguish shapes.
Response from the Working Group
We agree that an alternative text that indicates the button's shape is
an acceptable value for the 3rd example in F14 because the
instructions are then no longer referring to sensory characteristics
but are referring to the value of the label.

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, 21 May 2010 21:50:48 UTC

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