- <para>Optionally, if the absolute file
- name is prefixed with
- '<literal>@</literal>', the second token
- will be passed as
- <literal>argv[0]</literal> to the
- executed process, followed by the
- further arguments specified. If the
- absolute file name is prefixed with
- '<literal>-</literal>' an exit code of
- the command normally considered a
- failure (i.e. non-zero exit status or
- abnormal exit due to signal) is ignored
- and considered success. If both
- '<literal>-</literal>' and
- '<literal>@</literal>' are used they
- can appear in either order.</para>
-