<!ENTITY configurations SYSTEM "Configurations.docbook">
<!ENTITY configurations-dialup SYSTEM "Configurations/Dialup.docbook">
<!ENTITY configurations-dialup-intro SYSTEM "Configurations/Dialup/intro.docbook">
<!ENTITY configurations-dialup-modem SYSTEM "Configurations/Dialup/modem.docbook">
<!ENTITY configurations-dialup-server SYSTEM "Configurations/Dialup/server.docbook">
<!ENTITY configurations-dialup-client SYSTEM "Configurations/Dialup/client.docbook">