diff -Nrup groff-1.19.2.orig/doc/Makefile.in groff-1.19.2/doc/Makefile.in
--- groff-1.19.2.orig/doc/Makefile.in	2005-08-07 10:04:51.000000000 +0200
+++ groff-1.19.2/doc/Makefile.in	2005-11-17 15:23:06.000000000 +0100
@@ -114,8 +114,8 @@ prepare_examples: grnexmpl.g groff.css
 	test -f grnexmpl.g || cp $(srcdir)/grnexmpl.g .
 	test -f groff.css || cp $(srcdir)/groff.css .
 
-groff: groff.texinfo
-	$(MAKEINFO) --enable-encoding -I$(srcdir) $(srcdir)/groff.texinfo
+groff.info: groff.texinfo
+	$(MAKEINFO) -I$(srcdir) $(srcdir)/groff.texinfo
 
 gnu.eps: gnu.xpm
 	xpmtoppm $(srcdir)/gnu.xpm | pnmdepth 15 | $(pnmtops) -noturn >$@
diff -Nrup groff-1.19.2.orig/doc/groff.texinfo groff-1.19.2/doc/groff.texinfo
--- groff-1.19.2.orig/doc/groff.texinfo	2005-09-04 11:42:19.000000000 +0200
+++ groff-1.19.2/doc/groff.texinfo	2005-11-17 15:21:58.000000000 +0100
@@ -8,7 +8,7 @@
 @c
 
 @c %**start of header (This is for running Texinfo on a region.)
-@setfilename groff
+@setfilename groff.info
 @settitle The GNU Troff Manual
 @setchapternewpage odd
 @footnotestyle separate