HTML 4.01 & HTML 5: deprecated and not supported tags

As you may already know we are near the introduction of HTML 5, even if it is not a W3C recommendation yet. It is quite clear that browsers will not stop understanding HTML 4.01 tags, probably for a long time, however it is time to start thinking about what will be or it is already deprecated in HTML 4.01 and HTML 5. The new version will improve "interoperability and reduce development costs by making precise rules on how to handle all HTML elements, and how to recover from errors.
Some of the new features in HTML5 are functions for embedding audio, video, graphics, client-side data storage, and interactive documents. HTML5 also contains new elements like