5 <!-- Text constants which probably don't need to be changed.-->
7 <!-- Files to be included -->
9 <!ENTITY artheader SYSTEM "artheader.sgml">
10 <!ENTITY abstract SYSTEM "abstract.sgml">
11 <!ENTITY sect.install SYSTEM "install.sgml">
12 <!ENTITY sect.layout SYSTEM "layout.sgml">
13 <!ENTITY sect.upgrade SYSTEM "upgrade.sgml">
14 <!ENTITY sect.trouble SYSTEM "trouble.sgml">