• Merge the following from the English version:

1.30 -> 1.40 Makefile
1.163 -> 1.172 authors.ent
1.97 -> 1.106 book.sgml
1.9 -> 1.15 chapters.ent
1.29 -> 1.34 backups/chapter.sgml
1.24 -> 1.29 basics/chapter.sgml
1.31 -> 1.33 bibliography/chapter.sgml
1.10 -> 1.14 boot/chapter.sgml
1.425 -> 1.453 contrib/chapter.sgml
1.61 -> 1.76 cutting-edge/chapter.sgml
1.37 -> 1.41 hw/chapter.sgml
1.24 -> 1.33 serialcomms/chapter.sgml

• a portion merged only needed to avoid breakage of building process:

advanced-networking/chapter.sgml