book. This is somewhat controversial, so at the moment entities are used
for the word to let people choose.
* src/nb/book/book.xml
New entities defined: &Server;, &Servers;, &The_server;, &server;,
&servers;, &the_server;, &the_servers;.
* src/nb/book/appa.xml
* src/nb/book/ch00.xml
* src/nb/book/ch01.xml
* src/nb/book/ch02.xml
* src/nb/book/ch03.xml
* src/nb/book/ch04.xml
* src/nb/book/ch05.xml
* src/nb/book/ch06.xml
* src/nb/book/ch07.xml
Replaced all occurences of tjener* with the corresponding entity.