This is because xman was not installing a WM_DELETE_WINDOW handler for the search window, so window managers fall back to XKillClient() to shut down the entire program when the close button is clicked.
Upstream fix: https://gitlab.freedesktop.org/xorg/app/xman/-/merge_requests/6 -- -Alan Coopersmith- alan.coopersm...@oracle.com Oracle Solaris Engineering - https://blogs.oracle.com/solaris
