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Re: 1.4.3 & 2.4.7: evaluation while blind


From: Birkir R. Gunnarsson
Date: Sep 18, 2019 6:22AM

1.3.1 is typically fairly perceivable. A line of text that marks the
start of a section should be a heading, If you read the page in
context you can typically detect what the heading structure should be.
you can detect table markup issues fairly easily just from the content,
1.3.2 is all about logical content order so it's more easily
detectable using a screen reader in fact (the requirement is that it
is logical, not necessarily that it matches visual order, though
1.4.1 is tricky but you can typically see that from class names, and
you can use a Jaws scripts to display class names for any element you
can reach in browse mode, not just keyboard focusable). I still always
verify that with a pair of eyes.
I should write an article on this, been meaning to for ages.

On 9/18/19, Patrick H. Lauke < <EMAIL REMOVED> > wrote:
> On 18/09/2019 12:30, Steve Green wrote:
>> I don't see how a blind person can test several others, such as 1.3.1 Info
>> and Relationships. That SC requires you to assess the visual presentation
>> and check if the information and relationships are conveyed
>> programmatically. How can you do that if you can't see it?
>> There are others like 1.3.2 Meaningful Sequence. If you can only perceive
>> the programmatic reading sequence and not the visual sequence, how can you
>> tell if it is correct?
>> And 1.4.1 Use of Colour. How can you tell if colour alone is being used?
>> It might be possible by analysing the styles, but that won't work if the
>> colour is in images.
>> I won't labour the point, but if you can't perceive something, how can you
>> know if there is anything to perceive?
> Oh, absolutely. Sorry, wasn't trying to make an exhaustive list :)
> P
> --
> Patrick H. Lauke
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