+\e$B$K9T$J$$$^$9!#8=:_$3$N5!G=$O\e(B GnuPG \e$B$GF0:n$9$k$3$H$,3NG'$5$l$F$$$^$9$,!"\e(B
+PGP \e$B$d\e(B PGP5 \e$B$G$OF0:n$7$J$$$+$b$7$l$^$;$s!#\e(B
+
+\e$B%*%W%7%g%s0z?t\e(B @var{passphrase} \e$B$,\e(B @code{nil} \e$B$@$C$?$i!"%Q%9%U%l!<%:$N\e(B
+\e$B%-%c%C%7%e$+$i$+!"$^$?$O%f!<%6!<$KF~NO$7$F$b$i$&$3$H$K$h$C$F%Q%9%U%l!<%:\e(B
+\e$B$rF@$^$9!#\e(B
+@end deffn
+
+@deffn Command pgg-encrypt-symmetric-region &optional start end passphrase
+\e$B8=:_$N\e(B @var{start} \e$B$H\e(B @var{end} \e$B$N4V$NNN0h$r!"6&DL800E9f\e(B (symmetric
+cipher) \e$B$G0E9f2=$7$^$9!#8F$S=P$7$?8e$G%Q%9%U%l!<%:$,?R$M$i$l$^$9!#\e(B
+
+\e$B%*%W%7%g%s0z?t\e(B @var{passphrase} \e$B$,\e(B @code{nil} \e$B$@$C$?$i!"%Q%9%U%l!<%:$N\e(B
+\e$B%-%c%C%7%e$+$i$+!"$^$?$O%f!<%6!<$KF~NO$7$F$b$i$&$3$H$K$h$C$F%Q%9%U%l!<%:\e(B
+\e$B$rF@$^$9!#\e(B
+
+\e$B6&DL800E9f$K$h$k0E9f2=$O!"8=:_\e(B GnuPG \e$B$@$1$G<BAu$5$l$F$$$^$9!#\e(B