diff --git a/backport-Fix-recognition-of-cs_CZ.UTF-8-locale-on-FreeBSD.patch b/backport-Fix-recognition-of-cs_CZ.UTF-8-locale-on-FreeBSD.patch
new file mode 100644
index 0000000000000000000000000000000000000000..85a2ef2917b2da1bfd91fe3b1b7d59243f62f86a
--- /dev/null
+++ b/backport-Fix-recognition-of-cs_CZ.UTF-8-locale-on-FreeBSD.patch
@@ -0,0 +1,42 @@
+From eda769be72def8a14098af968e04cc6952fc53a3 Mon Sep 17 00:00:00 2001
+From: Bruno Haible <bruno@clisp.org>
+Date: Mon, 8 Jul 2024 14:06:16 +0200
+Subject: tests: Fix recognition of cs_CZ.UTF-8 locale on FreeBSD.
+
+* tests/fmbtest: Use 'locale charmap' to determine the locale's encoding.
+* tests/foad1: Likewise.
+
+---
+ tests/fmbtest | 2 +-
+ tests/foad1   | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/tests/fmbtest b/tests/fmbtest
+index e64b6ba..ddc25d9 100644
+--- a/tests/fmbtest
++++ b/tests/fmbtest
+@@ -10,7 +10,7 @@
+ cz=cs_CZ.UTF-8
+ 
+ # If cs_CZ.UTF-8 locale doesn't work, skip this test.
+-LC_ALL=$cz locale -k LC_CTYPE 2>/dev/null | grep -q charmap.*UTF-8 \
++test "`LC_ALL=$cz locale charmap 2>/dev/null`" = UTF-8 \
+   || skip_ this system lacks the $cz locale
+ 
+ # If matching is done in single-byte mode, skip this test too
+diff --git a/tests/foad1 b/tests/foad1
+index f10c1d7..3e87656 100644
+--- a/tests/foad1
++++ b/tests/foad1
+@@ -150,7 +150,7 @@ Exit $failures
+ # The rest of this file is meant to be executed under this locale.
+ LC_ALL=cs_CZ.UTF-8; export LC_ALL
+ # If the UTF-8 locale doesn't work, skip these tests silently.
+-locale -k LC_CTYPE 2>/dev/null | grep -q "charmap.*UTF-8" || Exit $failures
++test "`locale charmap 2>/dev/null`" = UTF-8 || Exit $failures
+ 
+ # Test character class erroneously matching a '[' character.
+ grep_test "[/" "" "[[:alpha:]]" -E
+-- 
+2.9.3.windows.1
+
diff --git a/backport-Fix-troff-typos-found-by-mandoc-and-groff.patch b/backport-Fix-troff-typos-found-by-mandoc-and-groff.patch
new file mode 100644
index 0000000000000000000000000000000000000000..9a12d830c5dc5a7133eebfd10d28e1d271bb5943
--- /dev/null
+++ b/backport-Fix-troff-typos-found-by-mandoc-and-groff.patch
@@ -0,0 +1,53 @@
+From 53b889155f5ee53404a9873f48300fe5b50321d9 Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Tue, 21 May 2024 09:50:43 -0700
+Subject: doc: fix troff typos
+
+* doc/grep.in.1: Fix troff typos found by mandoc and groff.
+Problem reported by Bjarni Ingi Gislason (bug#71087).
+---
+ doc/grep.in.1 | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/doc/grep.in.1 b/doc/grep.in.1
+index 236791e..eb6a5d9 100644
+--- a/doc/grep.in.1
++++ b/doc/grep.in.1
+@@ -23,6 +23,7 @@
+ .	\}
+ .\}
+ .
++.as la
+ .if !\w|\*(la| \{\
+ .\" groff an-ext.tmac does not seem to be in use, so define the parts of
+ .\" it that are used below.  For a copy of groff an-ext.tmac, please see:
+@@ -245,7 +246,7 @@ If this option is used multiple times or is combined with the
+ option, search for all patterns given.
+ The empty file contains zero patterns, and therefore matches nothing.
+ If
+-.IR FILE
++.I FILE
+ is
+ .B \-
+ , read patterns from standard input.
+@@ -674,7 +675,7 @@ whose base name matches
+ Ignore any redundant trailing slashes in
+ .IR GLOB .
+ .TP
+-.BR \-I
++.B \-I
+ Process a binary file as if it did not contain matching data; this is
+ equivalent to the
+ .B \-\^\-binary\-files=without\-match
+@@ -749,7 +750,7 @@ Like the
+ or
+ .B \-\^\-null
+ option, this option can be used with commands like
+-.B sort -z
++.B "sort \-z"
+ to process arbitrary file names.
+ .
+ .SH "REGULAR EXPRESSIONS"
+-- 
+2.9.3.windows.1
+
diff --git a/grep.spec b/grep.spec
index 4cb0f94fb98f31ccb4a2a1f9d9c23f94d187ba41..59f98eb5e26ee74c520a1404df2b1001aa8e41e4 100644
--- a/grep.spec
+++ b/grep.spec
@@ -1,8 +1,8 @@
 Name:    grep
 Version: 3.11
-Release: 3
+Release: 4
 Summary: A string search utility
-License: GPL-3.0-or-later AND LGPL-3.0-or-later AND LGPL-2.1-or-later AND GPL-2.0-or-later AND LGPL-2.0-or-later AND GFDL-1.3-no-invariants-or-later
+License: GPLv3+
 URL: https://www.gnu.org/software/grep
 Source0: https://ftp.gnu.org/gnu/grep/grep-%{version}.tar.xz
 Source1: color_grep.sh
@@ -10,6 +10,8 @@ Source2: colorgrep.csh
 Source3: grepconf.sh
 
 Patch0001: fix-grep-m2-pattern.patch
+Patch0002: backport-Fix-troff-typos-found-by-mandoc-and-groff.patch
+Patch0003: backport-Fix-recognition-of-cs_CZ.UTF-8-locale-on-FreeBSD.patch
 
 BuildRequires: gcc pcre2-devel texinfo gettext automake
 Provides: /bin/egrep /bin/fgrep /bin/grep bundled(gnulib)
@@ -50,6 +52,10 @@ install -Dpm 755 %{SOURCE3} $RPM_BUILD_ROOT%{_libexecdir}/grepconf.sh
 %{_mandir}/man1/*grep.1*
 
 %changelog
+* Mon Aug 26 2024 guojunding <guojunding@kylinos.cn> - 3.11-4
+- fix troff typos
+- fix recognition of cs_CZ.UTF-8 locale on FreeBSD
+
 * Tue Jul 30 2024 Funda Wang <fundawang@yeah.net> - 3.11-3
 - fix lang file declaration