Many CSS image replacement techniques are highly problematic for users
with visual impairments. Let's say you hide some text off-screen and
replace it with a background image. Let's say one of your users has
colorblindness or otherwise impaired vision and needs to force
particular background and foreground colors. They'll need to disable
background-images as a matter of course. At that point your text is
basically invisible unless they disable all your CSS. By contrast, if
they disable HTML images, they'll see your alt text.
I haven't yet seen a flavour of image replacement without any
accessibility issues (feel free to point me to one), and I don't think
microformat parsing should assume the use of such fragile techniques.
--
Benjamin Hawkes-Lewis
Andy Mabbett wrote:
In message <[EMAIL PROTECTED]>, Paul Wilkins
<[EMAIL PROTECTED]> writes
Andy Mabbett wrote:
Furthermore, you would speak:
<span class="fn"><img src="GothicLetterA.png" alt="A">ndy
Mabbett</span>
as "Andy Mabbett", which is why microformats should also interpret it
that
way.
That should be marked up in a more modern manner using CSS image
replacement, which entirely resolves any issues.
<span class="fn"><span class="gothicletter a">A</span>ndy Mabbett</span>
That's a matter of opinion, and an option not open to users of some
systems.
Besides, using microformats shouldn't require a publisher to use one
valid method over another; the example I give above *is* valid.
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