Transcription: Mixed content elements may have some unusual effects on your logical structure because as you well know when you're creating a logical structure it's based on a hierarchy and a mixed content element really is a hybrid. But every once in a while you have a case where you need one, it's there. It just is still very limiting because you have to have a single set of options. The next thing we're going to talk about is attributes and we've discussed attributes a little bit and you've seen a couple of attributes but you still have to declare them to utilize them in your document.
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