You’re leaving out the best part! When he passes (hopefully not anytime soon[a]) the version number of TeX will become pi. Any and all bugs will become “feature

You’re leaving out the best part! When he passes (hopefully not anytime soon[a]) the version number of TeX will become pi. Any and all bugs will become “features” at that point. Same with METAFONT; it’ll become e. [a]: I’d love to get a full and complete set of The Art of Computer Programming (all volumes) written first (on his own time, of course), but I doubt that’ll actually happen. According to Wikipedia, there’s supposed to be 7 volumes, and he’s still working on the second half(?) of the 4th.