ObjMatrix  Tags and Properties

Tags and Properties for Check-in c2d5689934

Context
2020-10-03
14:48
README.md: Mention that this needs Clang check-in: c2d5689934 user: js tags: trunk
2020-10-02
22:00
initial empty check-in check-in: 04d68b3013 user: js tags: trunk