+ <para>Each configuration file is named in the style of
+ <filename><program>.conf</filename>. Files in
+ <filename>/etc/</filename> override files with the
+ same name in <filename>/usr/lib/</filename>. Files in
+ <filename>/run</filename> override files with the same
+ name in <filename>/etc/</filename> and
+ <filename>/usr/lib/</filename>. Packages should
+ install their configuration files in
+ <filename>/usr/lib/</filename>, files in
+ <filename>/etc/</filename> are reserved for the local
+ administrator, who may choose to override the
+ configurations installed from packages. The list of
+ configuration files are sorted by their filename in
+ alphabetical order, regardless in which of the
+ directories they reside, to guarantee that a
+ configuration file takes precedence over another
+ configuration file with an alphabetically later
+ name.</para>
+