diff -ru groff-1.18.1.1.orig//font/devutf8/R.proto groff-1.18.1.1/font/devutf8/R.proto
--- groff-1.18.1.1.orig//font/devutf8/R.proto	2002-07-19 09:58:45.000000000 +0200
+++ groff-1.18.1.1/font/devutf8/R.proto	2008-11-20 17:45:46.000000000 +0100
@@ -285,13 +285,10 @@
 +h	24	0	0x03D1
 +f	24	0	0x03D5
 +p	24	0	0x03D6
--	24	0	0x2010
 hy	"
 en	24	0	0x2013
 em	24	0	0x2014
-`	24	0	0x2018
 oq	"
-'	24	0	0x2019
 cq	"
 bq	24	0	0x201A
 lq	24	0	0x201C
@@ -334,7 +331,6 @@
 st	24	0	0x220B
 product	24	0	0x220F
 sum	24	0	0x2211
-\-	24	0	0x2212
 mi	"
 **	24	0	0x2217
 sr	24	0	0x221A