the same as typing t a4f78d0a 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 a4f78d0a-476a-4d6f-87b5-d0b0c8bee3a4 e