the same as typing t 033b1cbe modify project:… due:… …. an empty box clears that field.
this is a demo. the data is invented, it is shared with everyone else looking, and it is wiped every night. don't put anything real in it. what is this?
$ tracker 033b1cbe-1cd7-4e7e-9bce-d3860e9b4d03 e