Understanding XML Schemas Schemas are intended to be an improvement on DTDs, which are used to validate XML documents. In this article, we review schemas and the new features described in the W3C working draft. In the context of XML, a schema describes a model for a whole class of documents. He shows how to interact with the DOM using Java. But how can you be sure your custom tags will be interpreted properly.
Norm leads a tour of the salient points.
This introduction to XML is geared towards a reader with some HTML or SGML experience, although that experience is not absolutely necessary. This article is an update to A Guide to XML , which originally appeared in the Winter 1997 edition of the World Wide Web Journal. Norman Walsh explains the process and pitfalls in this new column. If you are looking for a good overview of XML, with sufficient technical detail, then this article from the World Wide Web Journal is a good place to start.