diff --git a/groff.spec b/groff.spec
index 4c0abad..451e6e4 100644
--- a/groff.spec
+++ b/groff.spec
@@ -1,7 +1,8 @@
 %global __requires_exclude %{?__requires_exclude:%__requires_exclude|}^perl\\([^.]*\\.pl\\)
+%{!?with_x:%global with_x 1}
 Name: groff
 Version: 1.22.4
-Release: 8
+Release: 9
 Summary: A typesetting system
 License: GPLv3+ and GFDL and BSD and MIT
 URL: http://www.gnu.org/software/groff/
@@ -47,6 +48,23 @@ Requires:       groff = %{version}-%{release}
 Obsoletes:      %{name}-doc < %{version}-%{release}
 Provides:       %{name}-doc
 
+%if %{with_x}
+%package x11
+Summary: Parts of the groff formatting system that require X Windows System
+Requires: groff-base = %{version}-%{release}
+BuildRequires: libXaw-devel, libXmu-devel
+Provides: groff-gxditview = %{version}-%{release}
+Obsoletes: groff-gxditview < 1.20.1
+Conflicts: groff < 1.22.4-8
+
+%description x11
+The groff-x11 package contains the parts of the groff text processor
+package that require X Windows System. These include gxditview (display
+groff intermediate output files on X Windows System display) and
+xtotroff (converts X font metrics into groff font metrics).
+%endif
+
+
 %description help
 Man pages and other related documents for %{name}.
 
@@ -114,8 +132,6 @@ make check
 
 %files
 %defattr(-,root,root)
-%{_datadir}/X11/app-defaults/GXditview
-%{_datadir}/X11/app-defaults/GXditview-color
 %{_datadir}/%{name}/%{version}/font/devX*/
 %{_datadir}/%{name}/%{version}/tmac/X.tmac
 %{_datadir}/%{name}/%{version}/tmac/Xps.tmac
@@ -155,7 +171,6 @@ make check
 %{_datadir}/%{name}/%{version}/tmac/spdf.tmac
 %{_datadir}/%{name}/%{version}/tmac/trace.tmac
 %{_datadir}/%{name}/%{version}/tmac/zh.tmac
-%{_bindir}/gxditview
 %{_bindir}/addftinfo
 %{_bindir}/eqn2graph
 %{_bindir}/gdiffmk
@@ -192,7 +207,6 @@ make check
 %{_bindir}/roff2ps
 %{_bindir}/roff2text
 %{_bindir}/roff2x
-%{_bindir}/xtotroff
 
 %files base
 %license COPYING FDL LICENSES
@@ -282,16 +296,33 @@ make check
 %{_bindir}/zsoelim
 %{_libdir}/groff/
 
+%if %{with_x}
+%files x11
+# data
+%{_datadir}/%{name}/%{version}/font/devX*/
+%{_datadir}/%{name}/%{version}/tmac/X.tmac
+%{_datadir}/%{name}/%{version}/tmac/Xps.tmac
+%{_datadir}/X11/app-defaults/GXditview
+%{_datadir}/X11/app-defaults/GXditview-color
+# programs
+%{_bindir}/gxditview
+%{_bindir}/xtotroff
+%endif
+
 %files help
 %defattr(-,root,root)
 %{_mandir}/man1/
 %{_mandir}/man5/
 %{_mandir}/man7/
 %doc %{_docdir}/%{name}-%{version}/
+%exclude %{_docdir}/%{name}-%{version}/examples/mom/slide-demo.pdf
 %doc BUG-REPORT MORE.STUFF NEWS PROBLEMS
 %{_infodir}/groff.info*
 
 %changelog
+* Tue Mar 15 2022 renhognxun <renhongxun@h-partners.com> 1.22.4-9
+- split a sub-package groff-x11
+
 * Wed Sep 01 2021 Jianmin <jianmin@iscas.ac.cn> - 1.22.4-8
 - move basic files into base package.