https://git.ruby-lang.org/ruby.git/commit/?id=44b2e32fb6

From 44b2e32fb670e5e704f5721cf973cdc77d54a315 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Wed, 25 Aug 2021 13:12:50 +0900
Subject: Fix a typo

---
 tool/rbinstall.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index 2f70f46ad3..e41f6887aa 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -99,7 +99,7 @@ def parse_args(argv = ARGV) https://github.com/ruby/ruby/blob/trunk/tool/rbinstall.rb#L99
     case v
     when /\AINSTALL[-_]([-\w]+)=(.*)/
       argv.unshift("--#{$1.tr('_', '-')}=#{$2}")
-    when /\A\w[-\w+]*=\z/
+    when /\A\w[-\w]*=/
       mflags << v
     when /\A\w[-\w+]*\z/
       $install << v.intern
-- 
cgit v1.2.1


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