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A handy new feature of HTML5 is the ability to group several elements into one link. This gives you a much wider click area, something that you may have in the past used JavaScript or a combination of tags to do the job.
In HTML 4, if you were marking up a news or blog home page, with several articles to link to, you may have previously used something like the code in Listing 2.13 to make each item clickable.