--- /usr/local/share/groff/current/tmac/s.tmac.bak	Tue Sep 15 12:15:07 2015
+++ /usr/local/share/groff/current/tmac/s.tmac	Tue Sep 15 12:20:25 2015
@@ -372,9 +372,11 @@
 .if -\\n[FM]/2+1v+\\n[cov*page-length]<\\n[nl] address@hidden cover sheet overflow
 .pl \\n[cov*page-length]u
 .bp 1
-.if !\\n[cov*rp-no] .cov*tl-au-print
+.if !\\n[cov*rp-no] \{\
+.cov*tl-au-print
 .rs
 .sp 1
+.\}
 ..
 .de cov*draft-print
 .cov*tl-au-print