+. /////////////////////////////////////////////////////////////////////////////
+. This generate the outermost <book> element that wraps then entire document.
+. /////////////////////////////////////////////////////////////////////////////
+
+.book
+
+. /////////////////////////////////////////////////////////////////////////////
+. These definitions set some parameters and save some typing. Remember that
+. the <bookinfo> element must also be updated for each new edition.
+. /////////////////////////////////////////////////////////////////////////////
+
+.set ACL "access control lists (ACLs)"
+.set previousversion "4.63"
+.set version "4.66"
+