This option is interpreted by Sendmail to cause debug information to be sent
to the named file. It is ignored by Exim.
-.vitem &%-z%&&~<&'log line'&>
+.vitem &%-z%&&~<&'log-line'&>
.oindex "&%-z%&"
This option writes its argument to Exim's logfile.
Use is restricted to administrators; the intent is for operational notes.