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Chapter 3. More HTML5 Semantics > Changes to Existing Features

3.5. Changes to Existing Features

While new elements and APIs have been the primary focus of HTML5, this latest iteration of web markup has also brought with it changes to existing elements. For the most part, any changes that have been made have been done with backwards compatibility in mind, to ensure that the markup of existing content is still usable.

We’ve already considered some of the changes (the doctype declaration, character encoding, content types, and the document outline, for example). Let’s look at other significant changes introduced in the HTML5 spec.


  

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