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-rw-r--r--lib/redmine/wiki_formatting/html_parser.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/redmine/wiki_formatting/html_parser.rb b/lib/redmine/wiki_formatting/html_parser.rb
index da8ce81b1..d1c90b502 100644
--- a/lib/redmine/wiki_formatting/html_parser.rb
+++ b/lib/redmine/wiki_formatting/html_parser.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
# Redmine - project management software
# Copyright (C) 2006-2017 Jean-Philippe Lang
#