<literal>%i</literal> specifier in many of the
configuration options. Other specifiers that may be
used are <literal>%n</literal>, <literal>%N</literal>,
- <literal>%p</literal>, <literal>%P</literal> and
- <literal>%I</literal>, for the full unit name, the
- unescaped unit name, the prefix name, the unescaped
- prefix name and the unescaped instance name,
- respectively. The prefix name here refers to the
- string before the @, i.e. "getty" in the example
- above, where "tty3" is the instance name.</para>
+ <literal>%p</literal>, <literal>%P</literal>,
+ <literal>%I</literal> and <literal>%f</literal>, for
+ the full unit name, the unescaped unit name, the
+ prefix name, the unescaped prefix name, the unescaped
+ instance name and the unescaped filename,
+ respectively. The unescaped filename is either the
+ unescaped instance name (if set) with / prepended (if
+ necessary), or the prefix name similarly prepended
+ with /. The prefix name here refers to the string
+ before the @, i.e. "getty" in the example above, where
+ "tty3" is the instance name.</para>
<para>If a unit file is empty (i.e. has the file size
0) or is symlinked to <filename>/dev/null</filename>