Paul Novitski wrote:
All this makes me try to come up with a way to present the asterisks
as footnote indicators visually but not aurally.
In theory, you could use CSS, although lack of support (to put it
mildly) would be an issue.
One could present the asterisks as background images on the abbrev
elements, but as such they wouldn't scale.
CSS 3 allows scaling of background images, but here too, it doesn't help
you today.
If they were scalable foreground images, they'd need an alt:
<img src="asterisk.jpg" alt="required" class="required" />
img.required {width: 1em;}
The problem would then be how to mark this up:
* Required fields
As plain text it would make sense to the visual users as the referent
for the asterisks but would seem a bit nonsensical to listeners.
Perhaps, leave the asterisk as an asterisk and mark it up as such:
<p><dfn>*</dfn> Required fields</p>
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