useful on systems such as FreeBSD which ships only with "etc/termcap".
** Emacs now supports loading a Secure Computing filter.
-This is supported only on capable GNU/Linux systems. To use this,
-use the '--seccomp=FILE' command-line option when starting Emacs.
-FILE must name a binary file containing an array of 'struct sock_filter'
+This is supported only on capable GNU/Linux systems. To activate,
+invoke Emacs with the '--seccomp=FILE' command-line option. FILE must
+name a binary file containing an array of 'struct sock_filter'
structures. Emacs will then install that list of Secure Computing
filters into its own process early during the startup process. You
can use this functionality to put an Emacs process in a sandbox to