在.NET中处理XML时，作者遇到一个奇怪的问题：将流传递给XmlTextReader时，收到“XmlException: Root element is missing”的错误。问题出在流的位置被意外移动。解决方案是在创建XmlTextReader之前将流的位置重置为零，这可能是一个.NET Framework的bug。
During my work with XML in .NET I ran across strange behavior of passing stream into a XmlTextReader object. When I tried to read a stream I received an error “XmlException: Root element is missing”. I investigated a structure of XML file, but the problem was elsewhere. It turned out, that in magic way the position in the stream was moved forward! So I tried to read an XML without first characters.
Position in stream before calling a constructor was zero:
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