I still wonder why you haven't yet done these steps Blue. It's not like will take long time to fix the errors. Maybe it's something to do with attitude as screwing the users and listening their whining probably gives more thrills..
Ummm, I dare say that Blue is aware of the existence of validators (having run this site for so long).
The problem with these things is that even if you have a 100% standard compliant website it still won't run well on some Browsers. All browsers have bugs (including interpretation of HTML in a non-standard way), some have more, some have less and most of them are different. The trick is to find a way to scoot around as many of these bugs as possible with the
same piece of HTML code. And that is largely a try-and-error process that I believe Blue is currently involved in.
Don't despair Blue! - There is only a finite number of possible combinations
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