mNameSpaces(nsnull), mURLSpec(nsnull)
mNameSpaces(nsnull)
RDFXMLDataSourceImpl::RDFXMLDataSourceImpl(void)    : mInner(nsnull),      mIsWritable(PR_TRUE),      mIsDirty(PR_FALSE),      mLoadState(eLoadState_Unloaded),      mNameSpaces(nsnull),      mURLSpec(nsnull){    NS_INIT_REFCNT();#ifdef PR_LOGGING    if (! gLog)        gLog = PR_NewLogModule("nsRDFXMLDataSource");#endif}