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First crack at Navigation Marks SC for User Agent Group

From: Kim Patch <kim@redstartsystems.com>
Date: Wed, 19 Oct 2011 18:30:48 -0400
Message-ID: <4E9F4F98.8020902@redstartsystems.com>
To: Wayne Dick <wayneedick@gmail.com>, WAI-UA list <w3c-wai-ua@w3.org>, Jeanne Spellman <jeanne@w3.org>
  Greetings,

Here's the first crack at the Navigation Marks success criterion we 
talked about last Thursday. The portion in parentheses definitely needs 
discussion -- may be too specific, may be appropriate in examples.

-  I figured someone else could write the low vision example (Wayne?) 
better than I could, so I left a placeholder.


Cheers,
Kim

X.X Navigation marks
The user can mark locations in a webpage and then navigate back to the 
marked locations using keyboard shortcuts. A navigation mark will remain 
in the same place whether or not the page is changed, e.g. zoom in/out, 
font size changed, style sheets applied. The user can specify whether a 
navigation mark disappears after a session or is persistent across 
sessions.

(There may be different types of navigation marks. The user can view a 
timeline of navigation marks. The user can organize and share navigation 
marks.)

Intent of success criterion X.X:
Low vision users who have relatively small screen areas waste a lot of 
time scrolling back and forth between screen elements. Hands-free-speech 
users are especially prone to voice fatigue or injury when carrying out 
tasks that require oft-repeated commands like page down and page up. 
Both groups also find themselves doing extra reorientation in navigation 
when the focus changes unexpectedly. This can happen when a page views 
zoomed or a font size is changed. Navigation marks would enable both 
types of users to navigate more efficiently despite these issues.

Examples of Success Criterion X.X:
- Nina is a low vision user PLACEHOLDER

- Sam is a magazine editor who has trouble using the keyboard and mouse 
and uses hands-free speech recognition control his computer. He writes 
his stories using a Web editor and often pieces together material from 
several different sources. Using navigation marks he can say far fewer 
navigation commands, which allows him to work longer without overtaxing 
his voice.

- Mickey has a head injury which affects his memory and concentration. 
He finds it difficult to navigate pages on the Web. Using navigation 
marks allows him to navigate more efficiently, which allows him to do 
more work.

Related Resources for Success Criterion X.X:
PLACEHOLDER

-- 
___________________________________________________

Kimberly Patch
President
Redstart Systems, Inc.
(617) 325-3966
kim@redstartsystems.com

www.redstartsystems.com <http://www.redstartsystems.com>
- making speech fly

Blog: Patch on Speech
+Kim Patch
Twitter: RedstartSystems
___________________________________________________
Received on Wednesday, 19 October 2011 22:30:28 GMT

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