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Examples provide incorrect information

From: <noreply@w3.org>
Date: Wed, 01 Jun 2016 17:58:43 +0000
To: public-comments-wcag20@w3.org
Message-Id: <E1b8APj-0009X0-97@nash.w3.org>
Name: Duff Johnson
Email: duff@duff-johnson.com
Affiliation: Duff Johnson Strategy and Communications
Document: TD
Item Number: PDF3
Part of Item: Examples
Comment Type: technical
Summary of Issue: Examples provide incorrect information
Comment (Including rationale for any proposed change):
Example 4 offers an example using software (Acrobat's Reflow) that does not (as of this writing) use PDF tags to establish logical reading order, so this is just flat-out wrong.

Example 5: Acrobat's Order panel offers a crude approximation of the document's logical reading order, and cannot be considered a testing tool of significant value, as it is presented here. 

Example 6 advises the use of a very crude tool that often does significant, hard-to-detect and unrepairable damage to PDF files. A formal Technique based on this tool, when functionally correct tools (the Tags panel) are already available within Acrobat and from 3rd party vendors, is very bad advice to offer.

In general, PDF3 is very "Adobe-centric". Since Adobe's Reflow and Content Order tools are substandard (as of this writing), the examples given really must be reconsidered.

Proposed Change:
Example 4 - delete

Example 5 - Users should not be advised to use this tool for checking reading order. If they are so advised (why???), it must be made exceptionally clear that the utility of the Order panel is limited to very simple documents. Users should be strongly cautioned that changes in the Tags panel (where logical reading order is actually defined) may not be reflected in the Order panel at all.

Example 6: Delete and/or replace with an example from a 3rd party vendor.
Received on Wednesday, 1 June 2016 17:58:46 UTC

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