--- a/src/manual.c	2006-03-16 15:14:30.000000000 +0100
+++ b/src/manual.c	2010-06-03 19:47:11.000000000 +0200
@@ -261,6 +261,7 @@
 		xfree(tmpfilename1);
 	}
 	tmpfilename1 = make_tempfile();
+	putenv("GROFF_NO_SGR=true");
 
 #ifdef getmaxyx
 	init_curses();