Merge the following from the English version:

1.140 -> 1.141 authors.ent
1.94 -> 1.95 book.sgml
1.359 -> 1.363 contrib/chapter.sgml
1.52 -> 1.53 eresources/chapter.sgml
1.20 -> 1.21 serialcomms/chapter.sgml
1.189 -> 1.190 staff/chapter.sgml
1.4 -> 1.5 users/chapter.sgml