Tags and Properties for Check-in 2ded6aa640

Context
2023-03-21
11:54
add lecture location info check-in: 2ded6aa640 user: jboy tags: revise-for-2023
2022-07-08
07:23
Create new branch named "revise-for-2023" check-in: df33a182fd user: jboy tags: revise-for-2023