[Irl-dean] Color contrast and WCAG 2.2 priority?

[Gez Lemon]

Hi Barry,

> But wait.  If the image conveys significant information or
> function, then checkpoint 1.1 already requires that that
> information also be conveyed in a text alternative. So let us
> suppose that there *is* an appropriate text alternative
> provided (typically via alt and/or longdesc attributes; but
> possibly also via redundant textual content of the page).

For plain text in an image, a user can access the text alternate. For
charts, diagrams, and other non-text content, the brief alternate
might not be adequate, and the long description might disadvantage
those who better understand visual representations than verbose
descriptions. I have no idea if that was the thinking behind the
checkpoint, but that is how I have always interpreted it.

Best regards,

Gez


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