From dcdec8c28e1540cfa17546d407e10860cb419125 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 22 Feb 2026 19:59:43 +0900
Subject: [PATCH 1/2] [DOC] Check if date in man pages is up-to-date

---
 .github/workflows/check_misc.yml | 5 +++++
 common.mk                        | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/check_misc.yml b/.github/workflows/check_misc.yml
index 1be94a016e4126..0039fa69718a75 100644
--- a/.github/workflows/check_misc.yml
+++ b/.github/workflows/check_misc.yml
@@ -82,6 +82,11 @@ jobs:
           fi
         continue-on-error: ${{ steps.now.outputs.mon < 12 }}
 
+      - name: Check if date in man pages is up-to-date
+        run: |
+          make V=1 GIT=git BASERUBY=ruby update-man-date
+          git diff --color --no-ext-diff --ignore-submodules --exit-code -- man
+
       - name: Check if to generate documents
         id: rdoc
         run: |
diff --git a/common.mk b/common.mk
index 1127e798063239..ec81324549766b 100644
--- a/common.mk
+++ b/common.mk
@@ -1897,7 +1897,7 @@ sudo-precheck: PHONY
 	@$(SUDO) echo > $(NULL)
 
 update-man-date: PHONY
-	-$(Q) $(BASERUBY) -I"$(tooldir)/lib" -rvcs -i -p \
+	$(Q) $(BASERUBY) -I"$(tooldir)/lib" -rvcs -i -p \
 	-e 'BEGIN{@vcs=VCS.detect(ARGV.shift)}' \
 	-e '$$_.sub!(/^(\.Dd ).*/){$$1+@vcs.modified(ARGF.path).strftime("%B %d, %Y")}' \
 	"$(srcdir)" "$(srcdir)"/man/*.1

From c71999e8cc2e44762b3304f52e5f1eecf6365cfe Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 22 Feb 2026 20:00:39 +0900
Subject: [PATCH 2/2] [DOC] Update the date in man pages

---
 man/erb.1    | 2 +-
 man/goruby.1 | 2 +-
 man/ruby.1   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/man/erb.1 b/man/erb.1
index 299775d98c6e78..ed1e599cddd52e 100644
--- a/man/erb.1
+++ b/man/erb.1
@@ -1,5 +1,5 @@
 .\"Ruby is copyrighted by Yukihiro Matsumoto <matz@netlab.jp>.
-.Dd December 16, 2018
+.Dd February 22, 2026
 .Dt ERB 1 "Ruby Programmer's Reference Guide"
 .Os UNIX
 .Sh NAME
diff --git a/man/goruby.1 b/man/goruby.1
index a114a9056c6340..4d137341f11f0b 100644
--- a/man/goruby.1
+++ b/man/goruby.1
@@ -1,5 +1,5 @@
 .\"Ruby is copyrighted by Yukihiro Matsumoto <matz@netlab.jp>.
-.Dd April 20, 2017
+.Dd February 22, 2026
 .Dt GORUBY 1 "Ruby Programmer's Reference Guide"
 .Os UNIX
 .Sh NAME
diff --git a/man/ruby.1 b/man/ruby.1
index 4a869c07751ffd..cf5b09121b734f 100644
--- a/man/ruby.1
+++ b/man/ruby.1
@@ -1,5 +1,5 @@
 .\"Ruby is copyrighted by Yukihiro Matsumoto <matz@netlab.jp>.
-.Dd April 14, 2018
+.Dd February 22, 2026
 .Dt RUBY 1 "Ruby Programmer's Reference Guide"
 .Os UNIX
 .Sh NAME