nsISupports* aDocumentID, const PRUnichar* aTag, const nsStringArray* keys, const nsStringArray* values)
PRUint32 aDocumentID, PRUint32 numOfAttributes, const PRUnichar* nameArray[], const PRUnichar* valueArray[])
NS_IMETHODIMP nsMetaCharsetObserver::Notify(                     nsISupports* aDocumentID,                      const PRUnichar* aTag,                      const nsStringArray* keys, const nsStringArray* values){    if(0 != nsCRT::strcasecmp(aTag, "META"))         return NS_ERROR_ILLEGAL_VALUE;    else        return Notify(aDocumentID, keys, values);}