don't use /usr/lib/ditroff

diff --git a/doc/em/macr.nr b/doc/em/macr.nr
index 1c903f3..e97acc3 100644 (file)
--- a/doc/em/macr.nr
+++ b/doc/em/macr.nr
@@ -1,6 +1,6 @@
-.if n .so /usr/lib/tmac/tmac.kun
-.if t .so /usr/lib/ditroff/tmac/tmac.kun
+.so /usr/lib/tmac/tmac.kun
 .SS 10
+.if n .LL 78
 .RP
 .MS T E
 \!.TL '%'''
@@ -19,18 +19,18 @@
 .N 1
 .NE \\$1
 .NA
-.cs 1 18                       \" constant spacing
+.ft CW                         \" constant spacing
 .lg 0                          \" no ligatures
-.ss 18                         \" bug in troff
 ..
 .de Df                         \" Drawing Footer
-.br
-.cs 1
-.ss 12
+.N 1
+.FT P
+.CS
 .lg 1
 ..
 .de De                         \" Drawing End $1 (lines)
 .Df                            \" if it hasn't happened yet
+.CE
 .AD
 .N \\$1
 ..