the same as typing t 93ec1c1b 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 93ec1c1b-e21c-46bd-864a-3a9a407f61c2 e