- update to 3.73:
- new and rewriten pages
* namespaces.7, pid_namespaces.7, user_namespaces.7
- newly documented interfaces in existing pages
* clone.2: Document CLONE_NEWUSER for creating a new user namespace
* setns.2: Document the PID, user, and mount namespace support
* unshare.2: Document CLONE_NEWPID, CLONE_NEWUSER, CLONE_THREAD,
CLONE_SIGHAND, and CLONE_VM
- see Changes for details

- update to 3.72:
- new and rewritten pages:
* memusage.1, memusagestat.1, mtrace.1
see Changes for details

- man-pages 3.71:
- new and rewritten pages:
* group_member.3
* isfdtype.3
- see Changes for details

- update to 3.70:
- new and rewritten pages:
* sprof.1
- newly documented interfaces in existing pages
* epoll_ctl.2: EPOLLWAKEUP
* epoll.7: EPOLLWAKEUP
- see Changes for details