From 2192b0eaa06e07d7903d8c9f7debed36d4a46c84 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 3 Jun 2024 21:34:02 +0900
Subject: [PATCH] [DOC] man: Add environment variable RUBY_FREE_AT_EXIT

---
 man/ruby.1 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/man/ruby.1 b/man/ruby.1
index cce7e2a040..556fddc4f7 100644
--- a/man/ruby.1
+++ b/man/ruby.1
@@ -517,6 +517,10 @@ enabled for only mswin32, mingw32, and OS/2 platforms.  If this
 variable is not defined, Ruby refers to
 .Ev COMSPEC .
 .Pp
+.It Ev RUBY_FREE_AT_EXIT
+If set, Ruby tries to free all dynamically allocated memories.
+Introduced in Ruby 3.3, default: unset.
+.Pp
 .It Ev RUBY_IO_BUFFER_DEFAULT_SIZE
 The custom default buffer size of
 .Li IO::Buffer .