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Dive into XML: questions and answers from Infoteria''s `Ask the Xperts''. (q&a).

Article Excerpt
For this month's column I thought I'd share some of the real-world questions we've received over the past year from our "Ask the Xperts" forum on Infoteria's Web site (www.infoteria.com). These problems range from XSLT recursion, B2B implementations, DOM, SAX, JDOM, and UDDI to Web services using XML technologies. I've included some of my favorites from the thousands of questions we've received.

Q: I'm transforming XML data to HTML. When I use Infoteria's iXSLT to do transformations, it leaves the XML declaration string. Why?

A: By not specifying the output e method using , you're telling the processor to output XML by default. In accordance with the XSLT 1.0 Recommendation, an XSLT processor is required to provide the XML declaration in the output if it's provided in the input XML source. The following is from the XSLT 1.0 Recommendation:

The default for the method attribute is chosen as follows. If

* the root node of the result tree has an element child,

* the expanded name of the first element child of the root node (i.e., the document element) of the result tree has local part html (in any combination of upper and lower case) and a null namespace URI,

* and any text nodes preceding the first element child of the root node of the result tree contain only whitespace characters,

then the default output method is html; otherwise, the default output method...

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