RE: SC 1.3.3 - text alternative or no visible label?

Hi Matthew, 

 

Sorry, should have added that it has a toggling aria-expanded on the button.


 

Cheers,

Adam 

 

 

From: Matthew Putland [mailto:matthew.putland@mediaaccess.org.au] 
Sent: Monday, November 21, 2016 12:50 PM
To: w3c-wai-ig@w3.org
Subject: RE: SC 1.3.3 - text alternative or no visible label?

 

Hi Adam,

 

Ø  For example, a button with a triangle icon indicating current state (or
is it indicating outcome?) that rotates 90º and toggles an expandable
section. The button includes offscreen text that says ‘show/hide xyz’.

 

While your example could fail 1.3.3 Info and relationships, I feel that it
fits more closely as a 4.1.2 Name, Role, Value
<https://www.w3.org/TR/UNDERSTANDING-WCAG20/ensure-compat-rsv.html>  issue.
The triangle itself doesn’t need to be described at all, i.e clearly it’ll
be useless to tell the screen reader user that the triangle rotated 90
degrees, but we do need to let the screen reader user know if the expandable
section is expanded or collapsed, which is the “Value/State” part of 4.1.2
Name, Role, Value. WAI has provided some techniques for resolving this, such
as using ARIA-expanded: (code examples)
<https://www.w3.org/WAI/GL/wiki/Using_the_WAI-ARIA_aria-expanded_state_to_ma
rk_expandable_and_collapsible_regions> .

 

F26 <https://www.w3.org/TR/WCAG20-TECHS/F26.html>  fails 1.3.3 Info and
Relationships because you’re using a meaningless symbol to display important
information, I feel that it fits better under 1.3.1 Info and Relationships
than anywhere else. 1.1.1 Non-text content focuses on Images, graphs,
infographics, diagrams etc.. Whereas symbols and glyphs can be inserted with
real-text, which wouldn’t make much sense under 1.1.1. The example in F26
addresses using Glyphs/symbols to present important information, so I
personally think F26 is ok, but I’m happy to explore/discuss this further.

 

Cheers,

 

Matthew Putland

Senior Analyst, Digital Accessibility | Media Access Australia 

61 Kitchener Avenue, Victoria Park WA 6100

Tel: 08 9311 8230 (direct) 02 9212 6242 (main) Mobile: 0431 924 288 Web:
<http://www.mediaaccess.org.au/> www.mediaaccess.org.au

 

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From: Adam Cooper [mailto:cooperad@bigpond.com] 
Sent: Sunday, 20 November 2016 12:25 PM
To: w3c-wai-ig@w3.org
Subject: SC 1.3.3 - text alternative or no visible label?

 

hi all, 

 

There is some debate at my work about whether (non-decorative) ‘graphical
symbols’ need to have visible labels when they provide instruction.

 

So I have a question about SC1.3.3. 

 

Is it reasonable to infer from SC1.3.3 that instructions conveyed
non-verbally must be accompanied by some form of visible text?

 

For example, a button with a triangle icon indicating current state (or is
it indicating outcome?) that rotates 90º and toggles an expandable section.
The button includes offscreen text that says ‘show/hide xyz’.

 

Is this sufficient to meet SC  1.3.3?

 

Should anything be read into the use of ‘glyph’ and ‘symbol’ in failure
technique F26?

 

Should F26 be under SC1.1.1 instead?

 

cheers,

Adam 

 

 

 

 

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