[fhars]

But then, it is not announced as an earthshaking announcement, but as an "earthshaking announcement." The quotes make it sufficiently vague that it could be anything from "there was a typo in a comment in the metafont source", to "Vol. 4 is off to the printer."

[michael_dorfman]

Vol 4 is off to the printer. He's already announced that the first 5 fascicles will be appearing in hardcover later this year.