the same as typing t 9bf0f184 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 9bf0f184-87d6-4e07-bbc1-d8572e1c40c1 e