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POHow would you compare two XML Documents?
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copied!<p>As part of the base class for some extensive unit testing, I am writing a helper function which recursively compares the nodes of one XmlDocument object to another in C# (.NET). Some requirements of this:</p> <ul> <li>The first document is the <strong>source</strong>, e.g. what I want the XML document to look like. Thus the second is the one I want to find differences in and it must not contain <em>extra</em> nodes not in the first document.</li> <li>Must throw an exception when too many significant differences are found, and it should be easily understood by a human glancing at the description.</li> <li>Child element order is important, attributes can be in any order.</li> <li>Some attributes are ignorable; specifically <code>xsi:schemaLocation</code> and <code>xmlns:xsi</code>, though I would like to be able to pass in which ones are.</li> <li>Prefixes for namespaces must match in both attributes and elements.</li> <li>Whitespace between elements is irrelevant.</li> <li>Elements will <em>either</em> have child elements <em>or</em> <code>InnerText</code>, but not both.</li> </ul> <p>While I'm scrapping something together: <strong>has anyone written such code and would it be possible to share it here?</strong></p> <p>On an aside, what would you call the first and second documents? I've been referring to them as "source" and "target", but it feels wrong since the <strong>source</strong> is what I want the <strong>target</strong> to look like, else I throw an exception.</p>

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