I've always enjoyed using The Dash/Plus System, and I still can't get away from text files, so here's a little change that works in pencil or ASCII. Mostly. :)
| Symbol | Meaning |
|---|---|
- |
Undone |
+ |
Done |
> |
Waiting |
< |
Delegated |
# |
Reference |
~ |
Moved |
! |
Idea |