Welcome to week four of Cascading Style Sheets. Last week we began a descent into the depths of Dynamic HTML, a quasi-standard that lets scripting languages modify HTML content (which includes CSS) to make Web content dynamic. We started in on the architecture that defines the content of a browser window: the document object model. But we didn't mention the relationship of XML to DHTML. You treat an XML tag like an HTML tag, although to be rendered the browser must support XML and the XML content must be declared (let us know if you'd like us to look at this topic).
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