[boost] how to get the files for review?

Hi, I just subscribed, and I would like to review the three--valued-logic library. So I click "Files" at the Boost home page. As a result I'm transferred to http://login.yahoo.com/config/login?.intl=us&.src=ygrp&.done=http://groups.yahoo.com%2Fgroup%2Fboost%2Ffiles%2F where my ID is asked for?!?! I have never used Yahoo, so I don't know what to do here (given that subscribing with Boost doesn't involve some ID) ?!?! Oliver