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-rw-r--r--lib/rdoc/ri/driver.rb1
-rw-r--r--lib/rdoc/ri/formatter.rb1
-rw-r--r--lib/rdoc/ri/paths.rb1
-rw-r--r--lib/rdoc/ri/store.rb1
-rw-r--r--lib/rdoc/ri/task.rb1
5 files changed, 5 insertions, 0 deletions
diff --git a/lib/rdoc/ri/driver.rb b/lib/rdoc/ri/driver.rb
index 39064c1384..e571ae82ac 100644
--- a/lib/rdoc/ri/driver.rb
+++ b/lib/rdoc/ri/driver.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
require 'abbrev'
require 'optparse'
diff --git a/lib/rdoc/ri/formatter.rb b/lib/rdoc/ri/formatter.rb
index 84d37a9d31..d0c85dbe6b 100644
--- a/lib/rdoc/ri/formatter.rb
+++ b/lib/rdoc/ri/formatter.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
##
# For RubyGems backwards compatibility
diff --git a/lib/rdoc/ri/paths.rb b/lib/rdoc/ri/paths.rb
index 970cb91461..41529a3e0d 100644
--- a/lib/rdoc/ri/paths.rb
+++ b/lib/rdoc/ri/paths.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
require 'rdoc/ri'
##
diff --git a/lib/rdoc/ri/store.rb b/lib/rdoc/ri/store.rb
index 9fa9bbb03c..66e234f521 100644
--- a/lib/rdoc/ri/store.rb
+++ b/lib/rdoc/ri/store.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
module RDoc::RI
Store = RDoc::Store # :nodoc:
diff --git a/lib/rdoc/ri/task.rb b/lib/rdoc/ri/task.rb
index e545d4ac1e..d45f0c664c 100644
--- a/lib/rdoc/ri/task.rb
+++ b/lib/rdoc/ri/task.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
require 'rubygems'
begin
gem 'rdoc'