Merge the following from the English version:

1.133 -> 1.138 authors.ent
1.26 -> 1.27 backups/chapter.sgml
1.22 -> 1.23 basics/chapter.sgml
1.9 -> 1.10 boot/chapter.sgml
1.100 -> 1.104 mirrors/chapter.sgml
1.111 -> 1.112 ports/chapter.sgml
1.57 -> 1.58 cutting-edge/chapter.sgml (with some cleanups)
1.23 -> 1.25 disks/chapter.sgml (with some cleanups)