Solve the problem mentioned in the PR a slightly different way. Assign

default values to variables before they are used to make a better
(and working!) example. While I'm hear, switch to $name_pidfile to
make it more clear how one might go about adding that type of variable
to a script.

PR:		docs/93621
Submitted by:	NIIMI Satoshi <sa2c@sa2c.net>

en_US.ISO8859-1/books/porters-handbook/book.sgml

@@ -6047,14 +6047,14 @@ USE_SDL+=   mixer
 name="doormand"
 rcvar=${name}_enable
 
-command=%%PREFIX%%/sbin/doormand
-command_args="-p $pidfile -f $doormand_config"
-pidfile=/var/run/doormand.pid
-
 load_rc_config $name
 
 : ${doormand_enable="NO"}
 : ${doormand_config="%%PREFIX%%/etc/doormand/doormand.cf"}
+: ${doormand_pidfile=/var/run/doormand.pid}
+
+command=%%PREFIX%%/sbin/doormand
+command_args="-p $doormand_pidfile -f $doormand_config"
 
 run_rc_command "$1"</programlisting>