the same as typing t abcacbf8 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 abcacbf8-2c54-43a8-bdf9-3ebcfae8abf9 e