From 040fb1c2d8c174b1bf330b36e4f8cbc57836cc04 Mon Sep 17 00:00:00 2001
From: Karine Vieira <kv.vieira1@gmail.com>
Date: Tue, 24 Feb 2026 15:38:42 -0300
Subject: [PATCH] Fix FrozenError when parsing ERB files in Ruby 4.0

---
 lib/gettext/tools/parser/erb.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/gettext/tools/parser/erb.rb b/lib/gettext/tools/parser/erb.rb
index 80c88a3b..c931a7b6 100644
--- a/lib/gettext/tools/parser/erb.rb
+++ b/lib/gettext/tools/parser/erb.rb
@@ -70,7 +70,7 @@ def parse
       else
         erb = ERB.new(content, nil, "-")
       end
-      src = erb.src
+      src = +erb.src
 
       # Force the src encoding back to the encoding in magic comment
       # or original content.