Transcription: I'm David Harding with Keystone Learning Systems. In this course we're going to delve pretty deeply into entities yet again. We're going to talk about attributes that reference entities. We're going to talk about unparsed entities, those that the XML processor leaves alone, and parsed entities, those that must be valid XML documents that adhere to the rules of well-formedness and validity. And then we're going to get our first taste as at developing XML applications. We're going to look at how you can use the scripting object model or the document object model inside of Internet Explorer to cr ...