W3C home > Mailing lists > Public > w3c-wai-ua@w3.org > July to September 2001

Re: Definition: Operating Environment

From: Ian B. Jacobs <ij@w3.org>
Date: Wed, 18 Jul 2001 12:55:15 -0400
Message-ID: <3B55BF73.2D52D6FE@w3.org>
To: Jon Gunderson <jongund@uiuc.edu>
CC: w3c-wai-ua@w3.org
Jon Gunderson wrote:
> 
> Ian,
> The UA may support technologies like CSS which would allow for greater
> styling of elements that receive focus and selection.  The current drafts
> seem to limit the styling of these elements to what you can do with the
> operating environment.  

No, they don't limit it to that. That's the minimal requirement.

 - Ian

> I believe it was the intention of the working group
> that CSS styling effects should be available for 10.2 and 10.4 if the user
> agent supported CSS styling.
> 
> I also think that in some operating systems like UNIX there are few, if any
> conventions.   The user agent then becomes the convention for which other
> capabilities can be based.
> 
> Jon
> 
> At 11:55 AM 7/18/2001 -0400, Ian B. Jacobs wrote:
> >Jon Gunderson wrote:
> > >
> > > Ian,
> > > I propose we add to the definition of "operating environment" [1] the
> > > additional capabilities that a user agent may add to the conventional
> > > capabilities of the operating system.   I think this is important in the
> > > area of highlight mechanisms to include border styling.  Border styling is
> > > typically not a part of most operating systems, but is available on
> > > browsers that supprt CSS.
> >
> >I disagree. The user agent doesn't add anything to the environment in a
> >way that can be reused by other software. The UA may support border
> >styling,
> >but can other software make use of that capability? The only thing that
> >the UA
> >adds are the functionalities that it provides, and those are available
> >through
> >the UI and APIs.
> >
> >  _ Ian
> >
> > > Jon
> > >
> > > [1]
> > >
> > http://www.w3.org/WAI/UA/WD-UAAG10-20010714/glossary.html#def-operating-environment
> > > Jon Gunderson, Ph.D., ATP
> > > Coordinator of Assistive Communication and Information Technology
> > > Division of Rehabilitation - Education Services
> > > MC-574
> > > College of Applied Life Studies
> > > University of Illinois at Urbana/Champaign
> > > 1207 S. Oak Street, Champaign, IL  61820
> > >
> > > Voice: (217) 244-5870
> > > Fax: (217) 333-0248
> > >
> > > E-mail: jongund@uiuc.edu
> > >
> > > WWW: http://www.staff.uiuc.edu/~jongund
> > > WWW: http://www.w3.org/wai/ua
> >
> >--
> >Ian Jacobs (ij@w3.org)   http://www.w3.org/People/Jacobs
> >Cell:                    +1 917 450-8783
> 
> Jon Gunderson, Ph.D., ATP
> Coordinator of Assistive Communication and Information Technology
> Division of Rehabilitation - Education Services
> MC-574
> College of Applied Life Studies
> University of Illinois at Urbana/Champaign
> 1207 S. Oak Street, Champaign, IL  61820
> 
> Voice: (217) 244-5870
> Fax: (217) 333-0248
> 
> E-mail: jongund@uiuc.edu
> 
> WWW: http://www.staff.uiuc.edu/~jongund
> WWW: http://www.w3.org/wai/ua

-- 
Ian Jacobs (ij@w3.org)   http://www.w3.org/People/Jacobs
Cell:                    +1 917 450-8783
Received on Wednesday, 18 July 2001 12:56:37 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Tuesday, 27 October 2009 06:50:58 GMT