<!ENTITY connectivity                   SYSTEM "Connectivity.docbook">
<!ENTITY connectivity-dialup            SYSTEM "Connectivity/Dialup.docbook">
<!ENTITY connectivity-dialup-overview   SYSTEM "Connectivity/Dialup/overview.docbook">
<!ENTITY connectivity-dialup-policy     SYSTEM "Connectivity/Dialup/policy.docbook">
<!ENTITY connectivity-dialup-modem      SYSTEM "Connectivity/Dialup/modem.docbook">
<!ENTITY connectivity-dialup-server     SYSTEM "Connectivity/Dialup/server.docbook">
<!ENTITY connectivity-dialup-client     SYSTEM "Connectivity/Dialup/client.docbook">