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While many potential uses of XML result in fragments of XML text, notcomplete documents, XML parsers require complete documents to do theirjobs properly. I have been running an XML-based servlet to conduct online surveys. It records user responses by adding XML formatted datato a continuously growing cumulative file. I needed a way to analyzesurvey responses on the fly without going to the trouble of copying thefile and adding the markup required to create a complete document.Related ReadingJava 
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