Last paragraph of the page.

> All of the MIX programs in Volumes 1--3 will need to be rewritten in MMIX, before I finish the ``ultimate'' edition of those volumes that I plan to write after Volume 5 is completed. The current target date for the ultimate volumes is the year 2020, so there is plenty of time to do the conversion. But I think it will be an instructive undertaking if different groups of students from around the world try to do the necessary translations first, perhaps in friendly competitions, long before I get into the act.