the same as typing t 53c2f1b0 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 53c2f1b0-3505-47f0-bcef-28b977abd4eb e