I fixed the listings. Didn't take as long as I expected, and the new code is actually smaller than the old stuff. It even worked first time in Internet Explorer (the first version didn't work because IE doesn't like
<td rowspan="0">). Still, a couple of minor issues with the new stylesheet need working around to get it perfect.
Just one thing: My IE6 setup seems to support the double right arrow (⇒), but not the double left arrow (⇐). One of the many things that just doesn't make sense...
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