the same as typing t 12c5f1a6 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 12c5f1a6-344d-46fb-a246-24c9c543861c e