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Re: Test procedure Example 4 will not work in all documents

From: Loretta Guarino Reid <lorettaguarino@google.com>
Date: Tue, 23 Oct 2012 16:54:25 -0700
Message-ID: <CAHu5OWZtFZJDBbgcL3c99YYSz1hawkmSQxxskJzxY0bPMUWnpg@mail.gmail.com>
To: k.probiesch@gmail.com
Cc: public-comments-wcag20@w3.org
On Sat, Sep 8, 2012 at 1:37 AM, <noreply@w3.org> wrote:

> Name: Kerstin Probiesch
> Email: k.probiesch@gmail.com
> Affiliation:
> Document: TD
> Item Number: PDF3
> Part of Item: Examples
> Comment Type: technical
> Summary of Issue: Test procedure Example 4 will not work in all documents
> Comment (Including rationale for any proposed change):
> In technique PDF 3 the reflow mode is listed as one of the possible
> testing procedures for 1.3.2, 2.1.1, 2.1.3, 2.4.3.
> In PDF for example white text on colored backgrounds very often /mostly
> the white text isn't visible because the blue background won't be displayed
> in the reflow-mode. Therefore the test procedure in Example 4 is not
> working in these situations and for these SCs and testers might come to
> different / invalid results for example if one tester uses a screenreader
> and another tester the reflow-mode.
> Proposed Change:
> Proposed change:
> a. Delete example 4 because of the risk of invalid results in evaluations
> (preferred) or
> b. Add a note that this testing procedure should't be used if documents
> contents white text.
> ================================
Response from the Working Group
Thank you for the comment.  Based on your and others feedback, we have
significantly edited the PDF3 technique. We have added a note to Example 5
(formerly example 4) to highlight this scenario and suggest a process which
allows authors to use this technique.

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 Tuesday, 23 October 2012 23:54:52 UTC

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