December 1999
Intermediate to advanced
992 pages
22h 3m
English
Content preview from XML Unleashed
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DTDs and Document Structure
In the introduction, I used the phrase "DTD of some sort" because, in XML, technically there is no such thing as a single DTD. Although many XML developers think in terms of a single external DTD, the external DTD is not the only option for XML documents. To fully understand what a DTD is and how it is structured, you have to begin by learning about the role of the document type declaration.
The structure of an XML document is determined by the document type declaration, which appears in the prolog of an XML document. Within the document type declaration, markup declarations are provided that establish the grammar for a document or class of documents. The DTD is the actual grammar located within or referenced by the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.