OwnSelect(3) on macOS
The text e20221594ca3, as Mac OS X 10.4.2, Mac OS X 10.4.1, Mac OS X 10.4 shipped it.
make a window the owner of the primary selection
The text e20221594ca3, as Mac OS X 10.4.2, Mac OS X 10.4.1, Mac OS X 10.4 shipped it.
make a window the owner of the primary selection