the same as typing t 6c6b729c 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 6c6b729c-30b4-4f53-ab72-80049f5209d2 e