I would also be willing to bet that the documentation issues are due to not testing/updating when modifications are made to office. I know that the omission of a filename argument used to cause access to automatically open a browser to specify the file location and filename on both the export and import method of TransferSpreadsheet. I would guess that they changed functionality without updating the related documentation.
Such is our world of way to much information. Impossible to keep it all current and accurate.