tabindex and scope test (FORM in TABLE)

the attached file is a demonstration of sample text, adapted from the 
example provided by "Techniques for WCAG 2.0", which is included in its 
entirety at the following long, possibly wrapping, URI:

http://esw.w3.org/topic/HTML/ExplicitAssociationPatterns#head-
5863a518c17510a69b5f858ae1655e8b25db3246

and tweaked, through the removal of the "title" attribute defined for 
each 
input element, and the addition of "scope", so as to test:

  1. assistive technologies' (in particular, the state of screen reader) 
     support for the "scope" attribute defined in HTML 4.01 Strict

  2. support for the "tabindex" attribute defined in HTML 4.01 Strict


References:

Techniques for Web Content Accessibility Guidelines, version 2.0:
http://www.w3.org/TR/2007/WD-WCAG20-TECHS-20070517/#H4-ex1

tabindex: http://www.w3.org/TR/html401/interact/forms.html#h-17.11.1

scope: http://www.w3.org/TR/html401/struct/tables.html#adef-scope

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lex parsimoniae:
  * entia non sunt multiplicanda praeter necessitatem.
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the law of succinctness:
  * entities should not be multiplied beyond necessity.
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Gregory J. Rosmaita, oedipus@hicom.net
         Camera Obscura: http://www.hicom.net/~oedipus/
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