the same as typing t 0e9ec02c 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 0e9ec02c-db52-443f-a994-fa2e46a0e5a4 e