Add missing *roff macros to correct display about -V option.

PR:		docs/4162
Submitted by:	Kazuo Horikawa <k-horik@yk.rim.or.jp

gnu/usr.bin/rcs/merge/merge.1

@@ -2,7 +2,8 @@
 .ds Rv \\$3
 .ds Dt \\$4
 ..
-.Id $Id$
+.Id $Id: merge.1,v 1.4 1997/02/22 15:47:50 peter Exp $
+.ds r \&\s-1RCS\s0
 .TH MERGE 1 \*(Dt GNU
 .SH NAME
 merge \- three-way file merge
@@ -114,6 +115,7 @@ Send results to standard output instead of overwriting
 .TP
 .BI \-q
 Quiet; do not warn about conflicts.
+.TP
 .BI \-V
 Print \*r's version number.
 .SH DIAGNOSTICS