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RE: [2.4] Text error in lvl 2 SC # 2

From: Gregg Vanderheiden <gv@trace.wisc.edu>
Date: Wed, 3 Mar 2004 13:22:16 -0600
Message-Id: <200403031917.i23JHakh031556@mael.gallaudet.edu>
To: "'Yvette P. Hoitink'" <y.p.hoitink@heritas.nl>, <w3c-wai-gl@w3.org>

It should be 8 or more.  But it has nothing to do with the magic number 7 +-
2.  (or the biblical 7).

It is based on the number of steps (over links) and when it is more work to
use a jump link than to just tab over the links etc. 

This is also still very much an open issue - but is an attempt to address
this issue in a testable fashion.  

 
Gregg

 -- ------------------------------ 
Gregg C Vanderheiden Ph.D. 
Professor - Ind. Engr. & BioMed Engr.
Director - Trace R & D Center 
University of Wisconsin-Madison 

-----Original Message-----
From: w3c-wai-gl-request@w3.org [mailto:w3c-wai-gl-request@w3.org] On Behalf
Of Yvette P. Hoitink
Sent: Wednesday, March 03, 2004 9:08 AM
To: w3c-wai-gl@w3.org
Subject: [2.4] Text error in lvl 2 SC # 2


Roberto wrote:

The link to the latest compilation is at
http://www.w3.org/WAI/GL/WCAG20/WD-WCAG20-20040301.html

Please read the whole document though and watch for anything that
1) is an error
2) is an omission (blaring)
3) needs to have an Editors Note attached.

Yvette:

In guideline 2.4, the second lvl 2 success criterion says:
Large blocks of material that are repeated on multiple pages, such as
navigation menus with MORE THAN 8 OR MORE links, can be bypassed by people
who use screen readers or who navigate via keyboard or keyboard interface.
[V] 

More than 8 or more should be either "more than 8" or "8 or more" links.
There is a difference: "more than 8" excludes 8, "8 or more" includes 8. I
think we want to include 8, so it should either be "more than 7" or "8 or
more". I prefer "8 or more" since we do not require anything for 7 but do
for 8 links. Also, 7 seems to be the 'magic number' of items that people can
manage without further hierarchy so it would make sense to require further
navigation aids for 8 links or more.

Yvette Hoitink
CEO Heritas, Enschede, The Netherlands
E-mail: y.p.hoitink@heritas.nl 
Received on Wednesday, 3 March 2004 14:35:20 UTC

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