I'm curious about what the consensus is on the list about this.

I'm sure you all agree it's very convenient to control icons via the CSS, as
in a.PDF, a.DOC, a.external-link, and so forth. But there are 2 potential
problems with this:

(1) It's debatable whether those icons are presentational, or
content-bearing. I'd say the former, and their alt text would be redundant:
In the case of filetype icons, the link text would always include, for
example, "(DOC/Word, 64KB)", and in the case of external links, the link
would have a title attribute saying "External link, will open in a new
window."

(2) They don't print. In fact, CSS-based pages can look suprisingly empty
due to the reliance on background images. Mostly this is a good thing, but
for icons, perhaps not.

On the web I see plenty of examples of both approaches. What do the people
on the list think?

f

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