3 ms·

Except TeX.

• eesmith 4y ago
  FWIW, what might be the last bug in TeX was reported 22 October 2020. https://www.tug.org/TUGboat/tb42-1/tb130knuth-tuneup21.pdf https://www.tug.org/TUGboat/tb42-1/tb130knuth-tuneup21.pdf