Transcription: We've covered a lot of material so far. We've discussed what XML is, that it's a standard, it's a derivative of SGML, it's a sibling of HTML, and we've talked about its various characteristics, including its terminology. We talked about tags, elements, attributes, and entities. Tags identify elements, elements contain content, attributes are associated with those elements, so like properties, and then we talked about entities, and we mentioned that The entities have a lot of meanings in XML, but the one that we focused on is that it's a physical storage object, namely an XML document is an ent ...
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