From 67a8faa284fcb655645450bee13a633eae4212cd Mon Sep 17 00:00:00 2001
From: Alexander Meindl <alex@alphanodes.com>
Date: Tue, 6 Apr 2021 10:26:55 +0200
Subject: [PATCH] fix problem with frozen string #85

---
 app/models/messenger.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/messenger.rb b/app/models/messenger.rb
index cce9402..7928a66 100644
--- a/app/models/messenger.rb
+++ b/app/models/messenger.rb
@@ -12,7 +12,7 @@ class Messenger
       #
       # Redmine::WikiFormatting.html_parser.to_text(text)
 
-      text = +text.to_s
+      text = text.to_s.dup
 
       # @see https://api.slack.com/reference/surfaces/formatting#escaping