MFen:
1.19 -> 1.20 en_US.ISO8859-1/books/handbook/jails
1.90 -> 1.91 en_US.ISO8859-1/books/handbook/firewalls
1.8 -> 1.9 en_US.ISO8859-1/books/handbook/filesystems
1.469 -> 1.472 en_US.ISO8859-1/books/handbook/mirrors
1.135 -> 1.136 en_US.ISO8859-1/books/handbook/introduction
Obtained from: FreeBSD Greek Documentation Project