tries to convince me <a><span></span></a> is not an empty anchor:
Of course the <p></p> is empty and in the following;
<div><a href="#"><span id="header"></span></a></div>
The div has an anchor as content.
*The anchor has span as content*. (Your erroneous contention is that
<a><span></span></a> is an empty anchor.)
The span, on the other hand, is empty, but it does have dimensions and a
background image. The fact that span is empty is inconsequential in this
context.
I think he is mixing a lot the content and presentation means, but
seems I can't explain it to him (probably my English is not such good)
or I'm truly wrong. Could anyone comment some further?
[1] "Add link and cursor to background image?"
<http://groups.google.com/group/netscape.public.dev.css/browse_thread/thread/93979de28eae0929/7ff9547dbe03d825#7ff9547dbe03d825>
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Stanimir