+and cause them to forget the formatting of the prior next-line scope.
+.
+.Pp
+The
+.Sq i
+macro in
+.Fl m Ns Ar an
+should italicise all subsequent text if a line argument is not provided.
+This behaviour is not implemented.
+.
+The
+.Sq \(aq
+control character is an alias for the standard macro control character
+and does not emit a line-break as stipulated in GNU troff.