the same as typing t 1e014e0f 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 1e014e0f-8d46-489d-b4aa-d2b7adf2ece7 e