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-rw-r--r--lib/rexml/sax2listener.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/rexml/sax2listener.rb b/lib/rexml/sax2listener.rb
index 9f276eb4ed..5afdc80890 100644
--- a/lib/rexml/sax2listener.rb
+++ b/lib/rexml/sax2listener.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
module REXML
# A template for stream parser listeners.
# Note that the declarations (attlistdecl, elementdecl, etc) are trivially