Transcription: We're now past the semantics, the syntactical issues regarding structure within an XML document. We have to have the XML declaration, even though it's optional, we really have to have it. We also have to have a root element, we have that. The next thing we're going to talk about are more theoretical aspects to structure, and that is logical structure versus physical structure. These are very interesting concepts in conjunction with XML, often confusing, we're going to remove the confusion away from what these types of structure are and how they affect the way that you create your XML documents ...
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