<arg choice="opt"><option>-m <replaceable>filename</replaceable></option></arg>
<arg choice="opt"><option>-a <replaceable>filename</replaceable></option></arg>
<arg choice="opt"><option>-c <replaceable>filename</replaceable></option></arg>
<arg choice="opt"><option>-m <replaceable>filename</replaceable></option></arg>
<arg choice="opt"><option>-a <replaceable>filename</replaceable></option></arg>
<arg choice="opt"><option>-c <replaceable>filename</replaceable></option></arg>