Re: Interaction of "zoom content" and vertical writing modes

Can we cover it this way?

Content can be zoomed to an equivalent width of 320 CSS pixels without 
loss of content or functionality, and without requiring both horizontal 
and vertical scrolling. 

Michael Gower
IBM Accessibility
Research

1803 Douglas Street, Victoria, BC  V8T 5C3
gowerm@ca.ibm.com
voice: (250) 220-1146 * cel: (250) 661-0098 *  fax: (250) 220-8034



From:   David MacDonald <david100@sympatico.ca>
To:     Alastair Campbell <acampbell@nomensa.com>
Cc:     "White, Jason J" <jjwhite@ets.org>, WCAG <w3c-wai-gl@w3.org>
Date:   2017-11-22 04:55 PM
Subject:        Re: Interaction of "zoom content" and vertical writing 
modes



I'd rather not add the vertical part... it's speculative, and comes at a 
high cognitive load cost, unless someone brilliantly word smith's it.

Cheers,
David MacDonald
 
CanAdapt Solutions Inc.
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On Wed, Nov 22, 2017 at 3:46 PM, Alastair Campbell <acampbell@nomensa.com> 
wrote:
[Jason] Yes – they’re going to exist within the lifetime of WCAG 2.1, 
according to your own investigation, and should thus be handled in the SC.
 
AC: Well, I said it was possible but the browser support is not there yet, 
and we don’t know when that might work.
Where there is vertical text at the moment, it is on pages with vertical 
scrolling.
 
Given that, I’d rather not complicate it. Just trying makes my head hurt, 
you end up with something like this:
 
 
For pages that scroll vertically by default, content can be zoomed to an 
equivalent width of 320 CSS pixels without loss of content or 
functionality, and without requiring horizontal scrolling. 
 
For pages that scroll horizontally by default, content can be zoomed to an 
equivalent height of 320 CSS pixels without loss of content or 
functionality, and without requiring vertical scrolling. 
 
Except for parts of the content which require two-dimensional layout for 
usage or meaning.
 
 
-Alastair