curs_add_wch(3x) on macOS
The text b50c873fd42e, as macOS 13.5, macOS 13.4, macOS 13.3, macOS 13.2, macOS 13.1, macOS 13.0, macOS 12.5, macOS 12.4, macOS 12.3, macOS 12.2, macOS 12.1, macOS 12.0.1 shipped it.
add a complex character and rendition to a curses window, then advance the cursor