Originally Posted by J. Strnad
It's now obvious to me that Word is not the best choice for editing html.
You never wrote a truer word in your life. The HTML and CSS from Word and Writer is garbage.
Could I suggest that you invest a little time in learning how to do markup in HTML and CSS? And learn how to validate it with the W3C validation service at http://validator.w3.org/?
It really is not hard to learn - if I can do it anyone can.
You know the old saying "Garbage in, garbage out"? If you don't get the base document right you can't expect that Calibre or Meatgrinder or similar programs can produce good quality/well formatted ePubs.