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-rwxr-xr-xext/ripper/tools/generate.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/ripper/tools/generate.rb b/ext/ripper/tools/generate.rb
index 06b57101d1..cb02de9b4b 100755
--- a/ext/ripper/tools/generate.rb
+++ b/ext/ripper/tools/generate.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
# $Id$
require 'optparse'