hmm perhaps at least as far as the reminder.
The eraser is something else entirely, how would the UI be changed to allow mode between pencil and eraser?
So far the undo/clear button has served purpose.


what happens after Cssu?
Since liq* libraries are not modified by the SSU process do not think it is the issue and more likely you have other problem.
Please run "liqcalendar-run.sh" and let me know what error messages you get.