The activity diagram for `copy` in the Developer Guide takes up 2 pages. It is very hard for readers to view the diagram. <!--session: 1605240229188-e80c0a0b-5e7b-4a59-9eeb-bafe3e9f768b-->
The activity diagram for
copyin the Developer Guide takes up 2 pages. It is very hard for readers to view the diagram.