--- src/cmdliner.ml.orig	2012-04-16 18:12:37.123520751 +0200
+++ src/cmdliner.ml	2012-04-16 18:12:52.144521052 +0200
@@ -282,7 +282,7 @@
     List.iter pr_block text
       
   let pr_groff_page subst ppf ((n, s, a1, a2, a3), t) =
-    pr ppf ".\\\" Pipe this output to groff -man -Tutf8 | less@\n\
+    pr ppf ".\\\" Pipe this output to groff -man -Tutf8 -P-c | less@\n\
             .\\\"@\n\
             .TH \"%s\" %d \"%s\" \"%s\" \"%s\"@\n\
             .\\\" Disable hyphenantion and ragged-right@\n\