>>>One more thing: the textbook states that the highest-level header is ignored by both fourth-generation browsers - that's why I included H0. Do you know the reason for this queer behavior (ignoring the highest-level header)?
>>>
>>>Hilmar.
>>
>>
>>I'm not sure what you mean - the HTML specifications versions going back to version 2.0 only specify levels H1 - H6 for headings, I can't find any reference to H0.
>
>I don't think you can actually use < H0 > as a header style. AFAIK, it is used only in CSS, for the reason stated.
>
>Thanks for the URLs.

My apologies, I think I'm missing something, I'm not sure why you've included the H0 header style. Do you mean that H0 is the highest level header or H1 ?

Either way, I've had no problems with any header styles being ignored.

This page on the last site, gives general CSS bugs
http://www.blooberry.com/indexdot/css/syntax/generalbugs.htm