Are you going to look at the 7th edition to answer your questions, or are you going to stay with the 6th edition? I just ordered the 6th edition because I have read some bad things about the 7th.
PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
ERROR: The request could not be satisfied
504 Gateway Timeout ERROR
The request could not be satisfied.
We can't connect to the server for this app or website at this time. There might be too much traffic or a configuration error. Try again later, or contact the app or website owner.
If you provide content to customers through CloudFront, you can find steps to troubleshoot and help prevent this error by reviewing the CloudFront documentation.
Generated by cloudfront (CloudFront) HTTP3 Server
Request ID: CYJ0yH9s5o_i4DhSHLfytivLbkaqW8M2qwPp81hdG_kzbywkxZSQtg==