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-rw-r--r--ext/ripper/lib/ripper.rb1
-rw-r--r--ext/ripper/lib/ripper/core.rb1
-rw-r--r--ext/ripper/lib/ripper/filter.rb1
-rw-r--r--ext/ripper/lib/ripper/lexer.rb1
-rw-r--r--ext/ripper/lib/ripper/sexp.rb1
5 files changed, 5 insertions, 0 deletions
diff --git a/ext/ripper/lib/ripper.rb b/ext/ripper/lib/ripper.rb
index 542bd40..c5c3a80 100644
--- a/ext/ripper/lib/ripper.rb
+++ b/ext/ripper/lib/ripper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
require 'ripper/core'
require 'ripper/lexer'
require 'ripper/filter'
diff --git a/ext/ripper/lib/ripper/core.rb b/ext/ripper/lib/ripper/core.rb
index de8042f..53ed14d 100644
--- a/ext/ripper/lib/ripper/core.rb
+++ b/ext/ripper/lib/ripper/core.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
#
# $Id$
#
diff --git a/ext/ripper/lib/ripper/filter.rb b/ext/ripper/lib/ripper/filter.rb
index 239f9f0..a50a2c6 100644
--- a/ext/ripper/lib/ripper/filter.rb
+++ b/ext/ripper/lib/ripper/filter.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
#
# $Id$
#
diff --git a/ext/ripper/lib/ripper/lexer.rb b/ext/ripper/lib/ripper/lexer.rb
index e0460e8..bb12ee5 100644
--- a/ext/ripper/lib/ripper/lexer.rb
+++ b/ext/ripper/lib/ripper/lexer.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
#
# $Id$
#
diff --git a/ext/ripper/lib/ripper/sexp.rb b/ext/ripper/lib/ripper/sexp.rb
index d9f445c..aa1f86e 100644
--- a/ext/ripper/lib/ripper/sexp.rb
+++ b/ext/ripper/lib/ripper/sexp.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
#
# $Id$
#