error C2146: syntax error : missing ';' before identifier 'IXMLDOMImplementation'

... error C2146: syntax error : missing ';' before identifier 'IXMLDOMNode' C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\msxml2.h(55) : warning C4091: '' : ignored on left of 'interface' when no variable is declared C:\

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