diff --git a/lib/rdoc.rb b/lib/rdoc.rb
index af05b57116..ee448e661d 100644
--- a/lib/rdoc.rb
+++ b/lib/rdoc.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 $DEBUG_RDOC = nil
 
 # :main: README.rdoc
diff --git a/lib/rdoc/alias.rb b/lib/rdoc/alias.rb
index 1e06fb96e5..858e053049 100644
--- a/lib/rdoc/alias.rb
+++ b/lib/rdoc/alias.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Represent an alias, which is an old_name/new_name pair associated with a
 # particular context
diff --git a/lib/rdoc/anon_class.rb b/lib/rdoc/anon_class.rb
index 098bfdfcf9..d02a38c2cf 100644
--- a/lib/rdoc/anon_class.rb
+++ b/lib/rdoc/anon_class.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # An anonymous class like:
 #
diff --git a/lib/rdoc/any_method.rb b/lib/rdoc/any_method.rb
index 5dbdf9e0ef..e61f263cdc 100644
--- a/lib/rdoc/any_method.rb
+++ b/lib/rdoc/any_method.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # AnyMethod is the base class for objects representing methods
 
diff --git a/lib/rdoc/attr.rb b/lib/rdoc/attr.rb
index f77a5c04a7..f780b3b976 100644
--- a/lib/rdoc/attr.rb
+++ b/lib/rdoc/attr.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # An attribute created by \#attr, \#attr_reader, \#attr_writer or
 # \#attr_accessor
diff --git a/lib/rdoc/class_module.rb b/lib/rdoc/class_module.rb
index 33a8baa6a6..fdd56e236b 100644
--- a/lib/rdoc/class_module.rb
+++ b/lib/rdoc/class_module.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # ClassModule is the base class for objects representing either a class or a
 # module.
diff --git a/lib/rdoc/code_object.rb b/lib/rdoc/code_object.rb
index 11c682b7fa..48a6761b87 100644
--- a/lib/rdoc/code_object.rb
+++ b/lib/rdoc/code_object.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Base class for the RDoc code tree.
 #
diff --git a/lib/rdoc/code_objects.rb b/lib/rdoc/code_objects.rb
index 564849e1d1..434a25ac7f 100644
--- a/lib/rdoc/code_objects.rb
+++ b/lib/rdoc/code_objects.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 # This file was used to load all the RDoc::CodeObject subclasses at once.  Now
 # autoload handles this.
 
diff --git a/lib/rdoc/comment.rb b/lib/rdoc/comment.rb
index c655763b3e..f8482e2754 100644
--- a/lib/rdoc/comment.rb
+++ b/lib/rdoc/comment.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A comment holds the text comment for a RDoc::CodeObject and provides a
 # unified way of cleaning it up and parsing it into an RDoc::Markup::Document.
diff --git a/lib/rdoc/constant.rb b/lib/rdoc/constant.rb
index 7e1e10da72..0c3d7505a1 100644
--- a/lib/rdoc/constant.rb
+++ b/lib/rdoc/constant.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A constant
 
diff --git a/lib/rdoc/context.rb b/lib/rdoc/context.rb
index 3294b2561c..52f01be809 100644
--- a/lib/rdoc/context.rb
+++ b/lib/rdoc/context.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'cgi'
 
 ##
diff --git a/lib/rdoc/context/section.rb b/lib/rdoc/context/section.rb
index 7c3c8c603d..64877f944c 100644
--- a/lib/rdoc/context/section.rb
+++ b/lib/rdoc/context/section.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A section of documentation like:
 #
diff --git a/lib/rdoc/cross_reference.rb b/lib/rdoc/cross_reference.rb
index 0e40d23159..d76ebaf2d0 100644
--- a/lib/rdoc/cross_reference.rb
+++ b/lib/rdoc/cross_reference.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # RDoc::CrossReference is a reusable way to create cross references for names.
 
diff --git a/lib/rdoc/encoding.rb b/lib/rdoc/encoding.rb
index 44881d043c..150865b623 100644
--- a/lib/rdoc/encoding.rb
+++ b/lib/rdoc/encoding.rb
@@ -1,5 +1,5 @@
 # coding: US-ASCII
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 ##
 # This class is a wrapper around File IO and Encoding that helps RDoc load
diff --git a/lib/rdoc/erb_partial.rb b/lib/rdoc/erb_partial.rb
index d17dda20a9..8dc2c46013 100644
--- a/lib/rdoc/erb_partial.rb
+++ b/lib/rdoc/erb_partial.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Allows an ERB template to be rendered in the context (binding) of an
 # existing ERB template evaluation.
diff --git a/lib/rdoc/erbio.rb b/lib/rdoc/erbio.rb
index a2aaa90e67..42ce895fb3 100644
--- a/lib/rdoc/erbio.rb
+++ b/lib/rdoc/erbio.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'erb'
 
 ##
diff --git a/lib/rdoc/extend.rb b/lib/rdoc/extend.rb
index 30b51a1dbd..e1b182902e 100644
--- a/lib/rdoc/extend.rb
+++ b/lib/rdoc/extend.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A Module extension to a class with \#extend
 #
diff --git a/lib/rdoc/generator.rb b/lib/rdoc/generator.rb
index 6efc5e4474..340dcbf7ae 100644
--- a/lib/rdoc/generator.rb
+++ b/lib/rdoc/generator.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # RDoc uses generators to turn parsed source code in the form of an
 # RDoc::CodeObject tree into some form of output.  RDoc comes with the HTML
diff --git a/lib/rdoc/generator/darkfish.rb b/lib/rdoc/generator/darkfish.rb
index 94e1320ded..f7e4761d4f 100644
--- a/lib/rdoc/generator/darkfish.rb
+++ b/lib/rdoc/generator/darkfish.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 # -*- mode: ruby; ruby-indent-level: 2; tab-width: 2 -*-
 
 require 'erb'
diff --git a/lib/rdoc/generator/json_index.rb b/lib/rdoc/generator/json_index.rb
index ea9384e6d3..2a9db9bfc4 100644
--- a/lib/rdoc/generator/json_index.rb
+++ b/lib/rdoc/generator/json_index.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'json'
 begin
   require 'zlib'
diff --git a/lib/rdoc/generator/markup.rb b/lib/rdoc/generator/markup.rb
index 3ca423bb69..fef982d378 100644
--- a/lib/rdoc/generator/markup.rb
+++ b/lib/rdoc/generator/markup.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Handle common RDoc::Markup tasks for various CodeObjects
 #
diff --git a/lib/rdoc/generator/pot.rb b/lib/rdoc/generator/pot.rb
index e2cf22d730..8a1e0b4bd0 100644
--- a/lib/rdoc/generator/pot.rb
+++ b/lib/rdoc/generator/pot.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Generates a POT file.
 #
diff --git a/lib/rdoc/generator/pot/message_extractor.rb b/lib/rdoc/generator/pot/message_extractor.rb
index 0dd2497c26..313dfd2dc7 100644
--- a/lib/rdoc/generator/pot/message_extractor.rb
+++ b/lib/rdoc/generator/pot/message_extractor.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Extracts message from RDoc::Store
 
diff --git a/lib/rdoc/generator/pot/po.rb b/lib/rdoc/generator/pot/po.rb
index 60e14db831..8cb61b8a1c 100644
--- a/lib/rdoc/generator/pot/po.rb
+++ b/lib/rdoc/generator/pot/po.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Generates a PO format text
 
diff --git a/lib/rdoc/generator/pot/po_entry.rb b/lib/rdoc/generator/pot/po_entry.rb
index 515d02b48d..d537cb85e3 100644
--- a/lib/rdoc/generator/pot/po_entry.rb
+++ b/lib/rdoc/generator/pot/po_entry.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A PO entry in PO
 
diff --git a/lib/rdoc/generator/ri.rb b/lib/rdoc/generator/ri.rb
index 830777e587..0eef1d03f5 100644
--- a/lib/rdoc/generator/ri.rb
+++ b/lib/rdoc/generator/ri.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Generates ri data files
 
diff --git a/lib/rdoc/ghost_method.rb b/lib/rdoc/ghost_method.rb
index a1f75bfe4b..2488feb9d7 100644
--- a/lib/rdoc/ghost_method.rb
+++ b/lib/rdoc/ghost_method.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # GhostMethod represents a method referenced only by a comment
 
diff --git a/lib/rdoc/i18n.rb b/lib/rdoc/i18n.rb
index 14a3739c1c..4cb5986155 100644
--- a/lib/rdoc/i18n.rb
+++ b/lib/rdoc/i18n.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # This module provides i18n related features.
 
diff --git a/lib/rdoc/i18n/locale.rb b/lib/rdoc/i18n/locale.rb
index 4d55f6965d..6a70d6c986 100644
--- a/lib/rdoc/i18n/locale.rb
+++ b/lib/rdoc/i18n/locale.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A message container for a locale.
 #
diff --git a/lib/rdoc/i18n/text.rb b/lib/rdoc/i18n/text.rb
index fcfe7611bc..517abf1540 100644
--- a/lib/rdoc/i18n/text.rb
+++ b/lib/rdoc/i18n/text.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # An i18n supported text.
 #
diff --git a/lib/rdoc/include.rb b/lib/rdoc/include.rb
index efce43bffb..b3ad610649 100644
--- a/lib/rdoc/include.rb
+++ b/lib/rdoc/include.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A Module included in a class with \#include
 #
diff --git a/lib/rdoc/known_classes.rb b/lib/rdoc/known_classes.rb
index 8d9421255b..4d7f4aa995 100644
--- a/lib/rdoc/known_classes.rb
+++ b/lib/rdoc/known_classes.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module RDoc
 
   ##
diff --git a/lib/rdoc/markdown/entities.rb b/lib/rdoc/markdown/entities.rb
index d32ae51053..d2cf610293 100644
--- a/lib/rdoc/markdown/entities.rb
+++ b/lib/rdoc/markdown/entities.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # HTML entity name map for RDoc::Markdown
 
diff --git a/lib/rdoc/markdown/literals.rb b/lib/rdoc/markdown/literals.rb
index b6bb89e0c6..641d5af453 100644
--- a/lib/rdoc/markdown/literals.rb
+++ b/lib/rdoc/markdown/literals.rb
@@ -1,5 +1,5 @@
 # coding: UTF-8
-# frozen_string_literal: false
+# frozen_string_literal: true
 # :markup: markdown
 
 ##
diff --git a/lib/rdoc/markup.rb b/lib/rdoc/markup.rb
index 982bc13e88..08ecc6f7df 100644
--- a/lib/rdoc/markup.rb
+++ b/lib/rdoc/markup.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # RDoc::Markup parses plain text documents and attempts to decompose them into
 # their constituent parts.  Some of these parts are high-level: paragraphs,
diff --git a/lib/rdoc/markup/attr_changer.rb b/lib/rdoc/markup/attr_changer.rb
index 9a1a9c8c66..4c4bc6479e 100644
--- a/lib/rdoc/markup/attr_changer.rb
+++ b/lib/rdoc/markup/attr_changer.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 class RDoc::Markup
 
   AttrChanger = Struct.new :turn_on, :turn_off # :nodoc:
diff --git a/lib/rdoc/markup/attr_span.rb b/lib/rdoc/markup/attr_span.rb
index 4d9e5b0217..63aace60d2 100644
--- a/lib/rdoc/markup/attr_span.rb
+++ b/lib/rdoc/markup/attr_span.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # An array of attributes which parallels the characters in a string.
 
diff --git a/lib/rdoc/markup/attribute_manager.rb b/lib/rdoc/markup/attribute_manager.rb
index 3296d17af2..efa2f68387 100644
--- a/lib/rdoc/markup/attribute_manager.rb
+++ b/lib/rdoc/markup/attribute_manager.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Manages changes of attributes in a block of text
 
diff --git a/lib/rdoc/markup/attributes.rb b/lib/rdoc/markup/attributes.rb
index 8776c4ed29..ec30160d3d 100644
--- a/lib/rdoc/markup/attributes.rb
+++ b/lib/rdoc/markup/attributes.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # We manage a set of attributes.  Each attribute has a symbol name and a bit
 # value.
diff --git a/lib/rdoc/markup/blank_line.rb b/lib/rdoc/markup/blank_line.rb
index 2b1ab91b47..3129ab5e7f 100644
--- a/lib/rdoc/markup/blank_line.rb
+++ b/lib/rdoc/markup/blank_line.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # An empty line.  This class is a singleton.
 
diff --git a/lib/rdoc/markup/block_quote.rb b/lib/rdoc/markup/block_quote.rb
index 3be022f9dd..7a4b3e36b0 100644
--- a/lib/rdoc/markup/block_quote.rb
+++ b/lib/rdoc/markup/block_quote.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A quoted section which contains markup items.
 
diff --git a/lib/rdoc/markup/document.rb b/lib/rdoc/markup/document.rb
index 0692c3522f..f3a5de1fc3 100644
--- a/lib/rdoc/markup/document.rb
+++ b/lib/rdoc/markup/document.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A Document containing lists, headings, paragraphs, etc.
 
diff --git a/lib/rdoc/markup/formatter.rb b/lib/rdoc/markup/formatter.rb
index 197ff003e3..5dc71d2242 100644
--- a/lib/rdoc/markup/formatter.rb
+++ b/lib/rdoc/markup/formatter.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Base class for RDoc markup formatters
 #
diff --git a/lib/rdoc/markup/formatter_test_case.rb b/lib/rdoc/markup/formatter_test_case.rb
index a5b4933de4..076b7c81bb 100644
--- a/lib/rdoc/markup/formatter_test_case.rb
+++ b/lib/rdoc/markup/formatter_test_case.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'minitest/unit'
 
 ##
diff --git a/lib/rdoc/markup/hard_break.rb b/lib/rdoc/markup/hard_break.rb
index 5898bfb644..046068d5c2 100644
--- a/lib/rdoc/markup/hard_break.rb
+++ b/lib/rdoc/markup/hard_break.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A hard-break in the middle of a paragraph.
 
diff --git a/lib/rdoc/markup/heading.rb b/lib/rdoc/markup/heading.rb
index 5229287d5b..233774c5c4 100644
--- a/lib/rdoc/markup/heading.rb
+++ b/lib/rdoc/markup/heading.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A heading with a level (1-6) and text
 
diff --git a/lib/rdoc/markup/include.rb b/lib/rdoc/markup/include.rb
index 891be71b85..ad7c4a9640 100644
--- a/lib/rdoc/markup/include.rb
+++ b/lib/rdoc/markup/include.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A file included at generation time.  Objects of this class are created by
 # RDoc::RD for an extension-less include.
diff --git a/lib/rdoc/markup/indented_paragraph.rb b/lib/rdoc/markup/indented_paragraph.rb
index 56a96bd3c9..d42b2e52b8 100644
--- a/lib/rdoc/markup/indented_paragraph.rb
+++ b/lib/rdoc/markup/indented_paragraph.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # An Indented Paragraph of text
 
diff --git a/lib/rdoc/markup/inline.rb b/lib/rdoc/markup/inline.rb
index 58072fef06..aba7ec21ce 100644
--- a/lib/rdoc/markup/inline.rb
+++ b/lib/rdoc/markup/inline.rb
@@ -1,2 +1,2 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 warn "requiring rdoc/markup/inline is deprecated and will be removed in RDoc 4." if $-w
diff --git a/lib/rdoc/markup/list.rb b/lib/rdoc/markup/list.rb
index bcaea7d7c1..05c3609202 100644
--- a/lib/rdoc/markup/list.rb
+++ b/lib/rdoc/markup/list.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A List is a homogeneous set of ListItems.
 #
diff --git a/lib/rdoc/markup/list_item.rb b/lib/rdoc/markup/list_item.rb
index 115ec0412c..d22554ee73 100644
--- a/lib/rdoc/markup/list_item.rb
+++ b/lib/rdoc/markup/list_item.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # An item within a List that contains paragraphs, headings, etc.
 #
diff --git a/lib/rdoc/markup/paragraph.rb b/lib/rdoc/markup/paragraph.rb
index fefa12f9ef..a2e45ef009 100644
--- a/lib/rdoc/markup/paragraph.rb
+++ b/lib/rdoc/markup/paragraph.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A Paragraph of text
 
diff --git a/lib/rdoc/markup/parser.rb b/lib/rdoc/markup/parser.rb
index 22cca20420..9e6505da9d 100644
--- a/lib/rdoc/markup/parser.rb
+++ b/lib/rdoc/markup/parser.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'strscan'
 
 ##
diff --git a/lib/rdoc/markup/pre_process.rb b/lib/rdoc/markup/pre_process.rb
index e2115f0c56..c3c51b765c 100644
--- a/lib/rdoc/markup/pre_process.rb
+++ b/lib/rdoc/markup/pre_process.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Handle common directives that can occur in a block of text:
 #
diff --git a/lib/rdoc/markup/raw.rb b/lib/rdoc/markup/raw.rb
index 8012d2cea6..85e2c8b825 100644
--- a/lib/rdoc/markup/raw.rb
+++ b/lib/rdoc/markup/raw.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A section of text that is added to the output document as-is
 
diff --git a/lib/rdoc/markup/rule.rb b/lib/rdoc/markup/rule.rb
index b96d4fb293..38c1dc7f56 100644
--- a/lib/rdoc/markup/rule.rb
+++ b/lib/rdoc/markup/rule.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A horizontal rule with a weight
 
diff --git a/lib/rdoc/markup/special.rb b/lib/rdoc/markup/special.rb
index 4d834b9e37..57261b44a7 100644
--- a/lib/rdoc/markup/special.rb
+++ b/lib/rdoc/markup/special.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Hold details of a special sequence
 
diff --git a/lib/rdoc/markup/text_formatter_test_case.rb b/lib/rdoc/markup/text_formatter_test_case.rb
index 1c8882aa36..22a762b5f0 100644
--- a/lib/rdoc/markup/text_formatter_test_case.rb
+++ b/lib/rdoc/markup/text_formatter_test_case.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Test case for creating new plain-text RDoc::Markup formatters.  See also
 # RDoc::Markup::FormatterTestCase
diff --git a/lib/rdoc/markup/to_ansi.rb b/lib/rdoc/markup/to_ansi.rb
index 56cd1fe446..6cc3b70e93 100644
--- a/lib/rdoc/markup/to_ansi.rb
+++ b/lib/rdoc/markup/to_ansi.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Outputs RDoc markup with vibrant ANSI color!
 
diff --git a/lib/rdoc/markup/to_bs.rb b/lib/rdoc/markup/to_bs.rb
index 9a1c7c6ccd..fea017e89d 100644
--- a/lib/rdoc/markup/to_bs.rb
+++ b/lib/rdoc/markup/to_bs.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Outputs RDoc markup with hot backspace action!  You will probably need a
 # pager to use this output format.
diff --git a/lib/rdoc/markup/to_html.rb b/lib/rdoc/markup/to_html.rb
index d2c9a23a79..c5e1f073f8 100644
--- a/lib/rdoc/markup/to_html.rb
+++ b/lib/rdoc/markup/to_html.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'cgi'
 
 ##
diff --git a/lib/rdoc/markup/to_html_crossref.rb b/lib/rdoc/markup/to_html_crossref.rb
index 3f03c65898..2911aee954 100644
--- a/lib/rdoc/markup/to_html_crossref.rb
+++ b/lib/rdoc/markup/to_html_crossref.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Subclass of the RDoc::Markup::ToHtml class that supports looking up method
 # names, classes, etc to create links.  RDoc::CrossReference is used to
diff --git a/lib/rdoc/markup/to_html_snippet.rb b/lib/rdoc/markup/to_html_snippet.rb
index 75c1df94d9..24aa1d32d9 100644
--- a/lib/rdoc/markup/to_html_snippet.rb
+++ b/lib/rdoc/markup/to_html_snippet.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Outputs RDoc markup as paragraphs with inline markup only.
 
diff --git a/lib/rdoc/markup/to_joined_paragraph.rb b/lib/rdoc/markup/to_joined_paragraph.rb
index 293258c092..5b63e43cf4 100644
--- a/lib/rdoc/markup/to_joined_paragraph.rb
+++ b/lib/rdoc/markup/to_joined_paragraph.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Joins the parts of an RDoc::Markup::Paragraph into a single String.
 #
diff --git a/lib/rdoc/markup/to_label.rb b/lib/rdoc/markup/to_label.rb
index bdf08b7aee..9f179013f2 100644
--- a/lib/rdoc/markup/to_label.rb
+++ b/lib/rdoc/markup/to_label.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'cgi'
 
 ##
diff --git a/lib/rdoc/markup/to_markdown.rb b/lib/rdoc/markup/to_markdown.rb
index 9074547b4c..d471032f9f 100644
--- a/lib/rdoc/markup/to_markdown.rb
+++ b/lib/rdoc/markup/to_markdown.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 # :markup: markdown
 
 ##
diff --git a/lib/rdoc/markup/to_rdoc.rb b/lib/rdoc/markup/to_rdoc.rb
index a40c09859f..1cb4d6bab2 100644
--- a/lib/rdoc/markup/to_rdoc.rb
+++ b/lib/rdoc/markup/to_rdoc.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Outputs RDoc markup as RDoc markup! (mostly)
 
diff --git a/lib/rdoc/markup/to_table_of_contents.rb b/lib/rdoc/markup/to_table_of_contents.rb
index eae7c59d94..f68b90bcf6 100644
--- a/lib/rdoc/markup/to_table_of_contents.rb
+++ b/lib/rdoc/markup/to_table_of_contents.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Extracts just the RDoc::Markup::Heading elements from a
 # RDoc::Markup::Document to help build a table of contents
diff --git a/lib/rdoc/markup/to_test.rb b/lib/rdoc/markup/to_test.rb
index 7b1fa8c630..61d3cffaf0 100644
--- a/lib/rdoc/markup/to_test.rb
+++ b/lib/rdoc/markup/to_test.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # This Markup outputter is used for testing purposes.
 
diff --git a/lib/rdoc/markup/to_tt_only.rb b/lib/rdoc/markup/to_tt_only.rb
index ba20fcdd00..4f43546e3d 100644
--- a/lib/rdoc/markup/to_tt_only.rb
+++ b/lib/rdoc/markup/to_tt_only.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Extracts sections of text enclosed in plus, tt or code.  Used to discover
 # undocumented parameters.
diff --git a/lib/rdoc/markup/verbatim.rb b/lib/rdoc/markup/verbatim.rb
index a0b1d05928..7f1bc29a09 100644
--- a/lib/rdoc/markup/verbatim.rb
+++ b/lib/rdoc/markup/verbatim.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A section of verbatim text
 
diff --git a/lib/rdoc/meta_method.rb b/lib/rdoc/meta_method.rb
index 408c089dd1..7927a9ce9c 100644
--- a/lib/rdoc/meta_method.rb
+++ b/lib/rdoc/meta_method.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # MetaMethod represents a meta-programmed method
 
diff --git a/lib/rdoc/method_attr.rb b/lib/rdoc/method_attr.rb
index 50eab141be..a1625a8872 100644
--- a/lib/rdoc/method_attr.rb
+++ b/lib/rdoc/method_attr.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Abstract class representing either a method or an attribute.
 
diff --git a/lib/rdoc/mixin.rb b/lib/rdoc/mixin.rb
index 14f04c15e7..379d7cc526 100644
--- a/lib/rdoc/mixin.rb
+++ b/lib/rdoc/mixin.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A Mixin adds features from a module into another context.  RDoc::Include and
 # RDoc::Extend are both mixins.
diff --git a/lib/rdoc/normal_class.rb b/lib/rdoc/normal_class.rb
index eb53e964dd..9278011778 100644
--- a/lib/rdoc/normal_class.rb
+++ b/lib/rdoc/normal_class.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A normal class, neither singleton nor anonymous
 
diff --git a/lib/rdoc/normal_module.rb b/lib/rdoc/normal_module.rb
index d046c8cbfe..8f364be41c 100644
--- a/lib/rdoc/normal_module.rb
+++ b/lib/rdoc/normal_module.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A normal module, like NormalClass
 
diff --git a/lib/rdoc/options.rb b/lib/rdoc/options.rb
index 60cfb5e553..e4fe4f75e9 100644
--- a/lib/rdoc/options.rb
+++ b/lib/rdoc/options.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'optparse'
 require 'pathname'
 
diff --git a/lib/rdoc/parser.rb b/lib/rdoc/parser.rb
index 823a6d014c..2b826d9284 100644
--- a/lib/rdoc/parser.rb
+++ b/lib/rdoc/parser.rb
@@ -1,5 +1,5 @@
 # -*- coding: us-ascii -*-
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 ##
 # A parser is simple a class that subclasses RDoc::Parser and implements #scan
diff --git a/lib/rdoc/parser/c.rb b/lib/rdoc/parser/c.rb
index 5c940ab28e..10061bfc7d 100644
--- a/lib/rdoc/parser/c.rb
+++ b/lib/rdoc/parser/c.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'tsort'
 
 ##
diff --git a/lib/rdoc/parser/changelog.rb b/lib/rdoc/parser/changelog.rb
index c6c2d2bb23..f460321d3a 100644
--- a/lib/rdoc/parser/changelog.rb
+++ b/lib/rdoc/parser/changelog.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'time'
 
 ##
diff --git a/lib/rdoc/parser/markdown.rb b/lib/rdoc/parser/markdown.rb
index feffb26ced..9ff478f872 100644
--- a/lib/rdoc/parser/markdown.rb
+++ b/lib/rdoc/parser/markdown.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Parse a Markdown format file.  The parsed RDoc::Markup::Document is attached
 # as a file comment.
diff --git a/lib/rdoc/parser/rd.rb b/lib/rdoc/parser/rd.rb
index e6693b9ac8..25f5711731 100644
--- a/lib/rdoc/parser/rd.rb
+++ b/lib/rdoc/parser/rd.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Parse a RD format file.  The parsed RDoc::Markup::Document is attached as a
 # file comment.
diff --git a/lib/rdoc/parser/ruby.rb b/lib/rdoc/parser/ruby.rb
index a840fd6614..301b25a295 100644
--- a/lib/rdoc/parser/ruby.rb
+++ b/lib/rdoc/parser/ruby.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # This file contains stuff stolen outright from:
 #
diff --git a/lib/rdoc/parser/ruby_tools.rb b/lib/rdoc/parser/ruby_tools.rb
index ecd7065e4f..1f621cd32e 100644
--- a/lib/rdoc/parser/ruby_tools.rb
+++ b/lib/rdoc/parser/ruby_tools.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Collection of methods for writing parsers
 
diff --git a/lib/rdoc/parser/simple.rb b/lib/rdoc/parser/simple.rb
index f2ab27a92e..bef6da177f 100644
--- a/lib/rdoc/parser/simple.rb
+++ b/lib/rdoc/parser/simple.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Parse a non-source file. We basically take the whole thing as one big
 # comment.
diff --git a/lib/rdoc/parser/text.rb b/lib/rdoc/parser/text.rb
index 1a13fd1186..01de0cc595 100644
--- a/lib/rdoc/parser/text.rb
+++ b/lib/rdoc/parser/text.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Indicates this parser is text and doesn't contain code constructs.
 #
diff --git a/lib/rdoc/rd.rb b/lib/rdoc/rd.rb
index 39af3294f5..0d3d3cea85 100644
--- a/lib/rdoc/rd.rb
+++ b/lib/rdoc/rd.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # RDoc::RD implements the RD format from the rdtool gem.
 #
diff --git a/lib/rdoc/rd/inline.rb b/lib/rdoc/rd/inline.rb
index 011ec67e33..cf37ed9f05 100644
--- a/lib/rdoc/rd/inline.rb
+++ b/lib/rdoc/rd/inline.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Inline keeps track of markup and labels to create proper links.
 
diff --git a/lib/rdoc/rdoc.rb b/lib/rdoc/rdoc.rb
index adcb65b13b..48c2d099b6 100644
--- a/lib/rdoc/rdoc.rb
+++ b/lib/rdoc/rdoc.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc'
 
 require 'find'
diff --git a/lib/rdoc/require.rb b/lib/rdoc/require.rb
index f565ffad78..91f9c24e5d 100644
--- a/lib/rdoc/require.rb
+++ b/lib/rdoc/require.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A file loaded by \#require
 
diff --git a/lib/rdoc/ri.rb b/lib/rdoc/ri.rb
index 388cb12c70..c798c1fc49 100644
--- a/lib/rdoc/ri.rb
+++ b/lib/rdoc/ri.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc'
 
 ##
diff --git a/lib/rdoc/ri/driver.rb b/lib/rdoc/ri/driver.rb
index 51d633be58..fa0e040a42 100644
--- a/lib/rdoc/ri/driver.rb
+++ b/lib/rdoc/ri/driver.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'abbrev'
 require 'optparse'
 
diff --git a/lib/rdoc/ri/formatter.rb b/lib/rdoc/ri/formatter.rb
index d0c85dbe6b..832a101e6c 100644
--- a/lib/rdoc/ri/formatter.rb
+++ b/lib/rdoc/ri/formatter.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # For RubyGems backwards compatibility
 
diff --git a/lib/rdoc/ri/paths.rb b/lib/rdoc/ri/paths.rb
index 94db2216a2..d41e610591 100644
--- a/lib/rdoc/ri/paths.rb
+++ b/lib/rdoc/ri/paths.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/ri'
 
 ##
diff --git a/lib/rdoc/ri/store.rb b/lib/rdoc/ri/store.rb
index 66e234f521..9f4b03734a 100644
--- a/lib/rdoc/ri/store.rb
+++ b/lib/rdoc/ri/store.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module RDoc::RI
 
   Store = RDoc::Store # :nodoc:
diff --git a/lib/rdoc/ri/task.rb b/lib/rdoc/ri/task.rb
index cc0a85d4b7..6a6ea572bf 100644
--- a/lib/rdoc/ri/task.rb
+++ b/lib/rdoc/ri/task.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 begin
   gem 'rdoc'
 rescue Gem::LoadError
diff --git a/lib/rdoc/rubygems_hook.rb b/lib/rdoc/rubygems_hook.rb
index e9351b7280..90b0541fcf 100644
--- a/lib/rdoc/rubygems_hook.rb
+++ b/lib/rdoc/rubygems_hook.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rubygems/user_interaction'
 require 'fileutils'
 require 'rdoc'
diff --git a/lib/rdoc/servlet.rb b/lib/rdoc/servlet.rb
index dfc71436b8..89f26553ac 100644
--- a/lib/rdoc/servlet.rb
+++ b/lib/rdoc/servlet.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc'
 require 'time'
 require 'json'
diff --git a/lib/rdoc/single_class.rb b/lib/rdoc/single_class.rb
index 7affa027e1..6a7b67deb3 100644
--- a/lib/rdoc/single_class.rb
+++ b/lib/rdoc/single_class.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A singleton class
 
diff --git a/lib/rdoc/stats.rb b/lib/rdoc/stats.rb
index 354e904b19..bd6c0ef23a 100644
--- a/lib/rdoc/stats.rb
+++ b/lib/rdoc/stats.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # RDoc statistics collector which prints a summary and report of a project's
 # documentation totals.
diff --git a/lib/rdoc/stats/normal.rb b/lib/rdoc/stats/normal.rb
index 9f7ca59c34..9ab878e7e8 100644
--- a/lib/rdoc/stats/normal.rb
+++ b/lib/rdoc/stats/normal.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 begin
   require 'io/console/size'
 rescue LoadError
diff --git a/lib/rdoc/stats/quiet.rb b/lib/rdoc/stats/quiet.rb
index 561c272ef7..bc4161b2d4 100644
--- a/lib/rdoc/stats/quiet.rb
+++ b/lib/rdoc/stats/quiet.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Stats printer that prints nothing
 
diff --git a/lib/rdoc/stats/verbose.rb b/lib/rdoc/stats/verbose.rb
index e04edade52..6ace8937a2 100644
--- a/lib/rdoc/stats/verbose.rb
+++ b/lib/rdoc/stats/verbose.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # Stats printer that prints everything documented, including the documented
 # status
diff --git a/lib/rdoc/store.rb b/lib/rdoc/store.rb
index aaefff8f13..999aa76f92 100644
--- a/lib/rdoc/store.rb
+++ b/lib/rdoc/store.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'fileutils'
 
 ##
diff --git a/lib/rdoc/task.rb b/lib/rdoc/task.rb
index 1074de0197..323d00eabc 100644
--- a/lib/rdoc/task.rb
+++ b/lib/rdoc/task.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #--
 # Copyright (c) 2003, 2004 Jim Weirich, 2009 Eric Hodel
 #
diff --git a/lib/rdoc/test_case.rb b/lib/rdoc/test_case.rb
index 594fb31272..501f5c3b8b 100644
--- a/lib/rdoc/test_case.rb
+++ b/lib/rdoc/test_case.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 begin
   gem 'minitest', '~> 4.0' unless defined?(Test::Unit)
 rescue NoMethodError, Gem::LoadError
diff --git a/lib/rdoc/text.rb b/lib/rdoc/text.rb
index 88ff255f01..2890d1901f 100644
--- a/lib/rdoc/text.rb
+++ b/lib/rdoc/text.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 ##
 # For RDoc::Text#to_html
diff --git a/lib/rdoc/token_stream.rb b/lib/rdoc/token_stream.rb
index 2b69e943cd..9e8cce19fa 100644
--- a/lib/rdoc/token_stream.rb
+++ b/lib/rdoc/token_stream.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A TokenStream is a list of tokens, gathered during the parse of some entity
 # (say a method). Entities populate these streams by being registered with the
diff --git a/lib/rdoc/tom_doc.rb b/lib/rdoc/tom_doc.rb
index d760849938..66a5ae7a33 100644
--- a/lib/rdoc/tom_doc.rb
+++ b/lib/rdoc/tom_doc.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 # :markup: tomdoc
 
 # A parser for TomDoc based on TomDoc 1.0.0-rc1 (02adef9b5a)
diff --git a/lib/rdoc/top_level.rb b/lib/rdoc/top_level.rb
index 38be646ad0..6186722772 100644
--- a/lib/rdoc/top_level.rb
+++ b/lib/rdoc/top_level.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # A TopLevel context is a representation of the contents of a single file
 
diff --git a/test/test_rdoc_alias.rb b/test/test_rdoc_alias.rb
index fa0ab0f366..89ae2d5a56 100644
--- a/test/test_rdoc_alias.rb
+++ b/test/test_rdoc_alias.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocAlias < XrefTestCase
diff --git a/test/test_rdoc_any_method.rb b/test/test_rdoc_any_method.rb
index 20d041bd7e..55793255ba 100644
--- a/test/test_rdoc_any_method.rb
+++ b/test/test_rdoc_any_method.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocAnyMethod < XrefTestCase
diff --git a/test/test_rdoc_attr.rb b/test/test_rdoc_attr.rb
index e4062d1807..ae702ac702 100644
--- a/test/test_rdoc_attr.rb
+++ b/test/test_rdoc_attr.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocAttr < RDoc::TestCase
diff --git a/test/test_rdoc_class_module.rb b/test/test_rdoc_class_module.rb
index 503492fca5..273a21120f 100644
--- a/test/test_rdoc_class_module.rb
+++ b/test/test_rdoc_class_module.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocClassModule < XrefTestCase
diff --git a/test/test_rdoc_code_object.rb b/test/test_rdoc_code_object.rb
index be4ca268e4..bdf6d8ae85 100644
--- a/test/test_rdoc_code_object.rb
+++ b/test/test_rdoc_code_object.rb
@@ -1,5 +1,5 @@
 # coding: US-ASCII
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require File.expand_path '../xref_test_case', __FILE__
 
diff --git a/test/test_rdoc_comment.rb b/test/test_rdoc_comment.rb
index 3b0927212f..9eba298017 100644
--- a/test/test_rdoc_comment.rb
+++ b/test/test_rdoc_comment.rb
@@ -1,5 +1,5 @@
 # coding: us-ascii
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require 'rdoc/test_case'
 
diff --git a/test/test_rdoc_constant.rb b/test/test_rdoc_constant.rb
index a03ab97a7d..e715131579 100644
--- a/test/test_rdoc_constant.rb
+++ b/test/test_rdoc_constant.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocConstant < XrefTestCase
diff --git a/test/test_rdoc_context.rb b/test/test_rdoc_context.rb
index ceac14ac90..a7d6a58716 100644
--- a/test/test_rdoc_context.rb
+++ b/test/test_rdoc_context.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocContext < XrefTestCase
diff --git a/test/test_rdoc_context_section.rb b/test/test_rdoc_context_section.rb
index b008c60c57..ff88b9b66a 100644
--- a/test/test_rdoc_context_section.rb
+++ b/test/test_rdoc_context_section.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocContextSection < RDoc::TestCase
diff --git a/test/test_rdoc_cross_reference.rb b/test/test_rdoc_cross_reference.rb
index c39d6ad356..a294553704 100644
--- a/test/test_rdoc_cross_reference.rb
+++ b/test/test_rdoc_cross_reference.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocCrossReference < XrefTestCase
diff --git a/test/test_rdoc_encoding.rb b/test/test_rdoc_encoding.rb
index e579fd5cc7..d9298880d7 100644
--- a/test/test_rdoc_encoding.rb
+++ b/test/test_rdoc_encoding.rb
@@ -1,5 +1,5 @@
 # coding: US-ASCII
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require 'rdoc/test_case'
 
diff --git a/test/test_rdoc_extend.rb b/test/test_rdoc_extend.rb
index bc50a657ac..f4c8425864 100644
--- a/test/test_rdoc_extend.rb
+++ b/test/test_rdoc_extend.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocExtend < XrefTestCase
diff --git a/test/test_rdoc_generator_darkfish.rb b/test/test_rdoc_generator_darkfish.rb
index bbe351c0f6..c004bb271e 100644
--- a/test/test_rdoc_generator_darkfish.rb
+++ b/test/test_rdoc_generator_darkfish.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocGeneratorDarkfish < RDoc::TestCase
diff --git a/test/test_rdoc_generator_json_index.rb b/test/test_rdoc_generator_json_index.rb
index 52c35a564d..154dfe7c4b 100644
--- a/test/test_rdoc_generator_json_index.rb
+++ b/test/test_rdoc_generator_json_index.rb
@@ -1,5 +1,5 @@
 # coding: US-ASCII
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require 'rdoc/test_case'
 
diff --git a/test/test_rdoc_generator_markup.rb b/test/test_rdoc_generator_markup.rb
index d546c2f87f..d13f5119be 100644
--- a/test/test_rdoc_generator_markup.rb
+++ b/test/test_rdoc_generator_markup.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocGeneratorMarkup < RDoc::TestCase
diff --git a/test/test_rdoc_generator_pot.rb b/test/test_rdoc_generator_pot.rb
index 3f1bee70c9..5675f96b75 100644
--- a/test/test_rdoc_generator_pot.rb
+++ b/test/test_rdoc_generator_pot.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocGeneratorPOT < RDoc::TestCase
diff --git a/test/test_rdoc_generator_pot_po.rb b/test/test_rdoc_generator_pot_po.rb
index ae60ff004e..8786f632c0 100644
--- a/test/test_rdoc_generator_pot_po.rb
+++ b/test/test_rdoc_generator_pot_po.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocGeneratorPOTPO < RDoc::TestCase
diff --git a/test/test_rdoc_generator_pot_po_entry.rb b/test/test_rdoc_generator_pot_po_entry.rb
index 36b85df864..5c24c2d70d 100644
--- a/test/test_rdoc_generator_pot_po_entry.rb
+++ b/test/test_rdoc_generator_pot_po_entry.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocGeneratorPOTPOEntry < RDoc::TestCase
diff --git a/test/test_rdoc_generator_ri.rb b/test/test_rdoc_generator_ri.rb
index d9f7b7ebc6..02bcee8904 100644
--- a/test/test_rdoc_generator_ri.rb
+++ b/test/test_rdoc_generator_ri.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocGeneratorRI < RDoc::TestCase
diff --git a/test/test_rdoc_i18n_locale.rb b/test/test_rdoc_i18n_locale.rb
index e9dce78472..ff9836f9a6 100644
--- a/test/test_rdoc_i18n_locale.rb
+++ b/test/test_rdoc_i18n_locale.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocI18nLocale < RDoc::TestCase
diff --git a/test/test_rdoc_i18n_text.rb b/test/test_rdoc_i18n_text.rb
index 4169b92079..be5ff581f5 100644
--- a/test/test_rdoc_i18n_text.rb
+++ b/test/test_rdoc_i18n_text.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocI18nText < RDoc::TestCase
diff --git a/test/test_rdoc_include.rb b/test/test_rdoc_include.rb
index 6a34f5d4b8..67d3dfd88e 100644
--- a/test/test_rdoc_include.rb
+++ b/test/test_rdoc_include.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocInclude < XrefTestCase
diff --git a/test/test_rdoc_markdown.rb b/test/test_rdoc_markdown.rb
index 79b0175293..26a6015afe 100644
--- a/test/test_rdoc_markdown.rb
+++ b/test/test_rdoc_markdown.rb
@@ -1,5 +1,5 @@
 # coding: UTF-8
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require 'rdoc/test_case'
 require 'rdoc/markup/block_quote'
diff --git a/test/test_rdoc_markdown_test.rb b/test/test_rdoc_markdown_test.rb
index e738832fed..8664ac45a0 100644
--- a/test/test_rdoc_markdown_test.rb
+++ b/test/test_rdoc_markdown_test.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'minitest/autorun'
 require 'pp'
 
diff --git a/test/test_rdoc_markup.rb b/test/test_rdoc_markup.rb
index ad13211f7b..8e4e8b968e 100644
--- a/test/test_rdoc_markup.rb
+++ b/test/test_rdoc_markup.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkup < RDoc::TestCase
diff --git a/test/test_rdoc_markup_attribute_manager.rb b/test/test_rdoc_markup_attribute_manager.rb
index c0f7666a01..58741f2331 100644
--- a/test/test_rdoc_markup_attribute_manager.rb
+++ b/test/test_rdoc_markup_attribute_manager.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupAttributeManager < RDoc::TestCase
diff --git a/test/test_rdoc_markup_attributes.rb b/test/test_rdoc_markup_attributes.rb
index 077b6a5474..1fad62208c 100644
--- a/test/test_rdoc_markup_attributes.rb
+++ b/test/test_rdoc_markup_attributes.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupAttributes < RDoc::TestCase
diff --git a/test/test_rdoc_markup_document.rb b/test/test_rdoc_markup_document.rb
index e5a61daea5..d817f1b9aa 100644
--- a/test/test_rdoc_markup_document.rb
+++ b/test/test_rdoc_markup_document.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupDocument < RDoc::TestCase
diff --git a/test/test_rdoc_markup_formatter.rb b/test/test_rdoc_markup_formatter.rb
index 02a6844a3a..1b0a011e6f 100644
--- a/test/test_rdoc_markup_formatter.rb
+++ b/test/test_rdoc_markup_formatter.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupFormatter < RDoc::TestCase
diff --git a/test/test_rdoc_markup_hard_break.rb b/test/test_rdoc_markup_hard_break.rb
index 5d2d359646..d93d52eeda 100644
--- a/test/test_rdoc_markup_hard_break.rb
+++ b/test/test_rdoc_markup_hard_break.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupHardBreak < RDoc::TestCase
diff --git a/test/test_rdoc_markup_heading.rb b/test/test_rdoc_markup_heading.rb
index 463df7ef43..33e29e90e6 100644
--- a/test/test_rdoc_markup_heading.rb
+++ b/test/test_rdoc_markup_heading.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupHeading < RDoc::TestCase
diff --git a/test/test_rdoc_markup_include.rb b/test/test_rdoc_markup_include.rb
index e72a0ac1bb..28712fa7ed 100644
--- a/test/test_rdoc_markup_include.rb
+++ b/test/test_rdoc_markup_include.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupInclude < RDoc::TestCase
diff --git a/test/test_rdoc_markup_indented_paragraph.rb b/test/test_rdoc_markup_indented_paragraph.rb
index efcd840453..53d44dcec2 100644
--- a/test/test_rdoc_markup_indented_paragraph.rb
+++ b/test/test_rdoc_markup_indented_paragraph.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupIndentedParagraph < RDoc::TestCase
diff --git a/test/test_rdoc_markup_paragraph.rb b/test/test_rdoc_markup_paragraph.rb
index 6da6658c6f..dce3ed8efd 100644
--- a/test/test_rdoc_markup_paragraph.rb
+++ b/test/test_rdoc_markup_paragraph.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupParagraph < RDoc::TestCase
diff --git a/test/test_rdoc_markup_parser.rb b/test/test_rdoc_markup_parser.rb
index 849d19f8c7..fa4730a06f 100644
--- a/test/test_rdoc_markup_parser.rb
+++ b/test/test_rdoc_markup_parser.rb
@@ -1,5 +1,5 @@
 # coding: utf-8
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require 'rdoc/test_case'
 
diff --git a/test/test_rdoc_markup_pre_process.rb b/test/test_rdoc_markup_pre_process.rb
index be3fdcbef3..13e3ec13c0 100644
--- a/test/test_rdoc_markup_pre_process.rb
+++ b/test/test_rdoc_markup_pre_process.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require 'rdoc/test_case'
 
diff --git a/test/test_rdoc_markup_raw.rb b/test/test_rdoc_markup_raw.rb
index 1453333b9e..aaf4e48439 100644
--- a/test/test_rdoc_markup_raw.rb
+++ b/test/test_rdoc_markup_raw.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupRaw < RDoc::TestCase
diff --git a/test/test_rdoc_markup_to_ansi.rb b/test/test_rdoc_markup_to_ansi.rb
index 8bd49271c1..d06ad98fa3 100644
--- a/test/test_rdoc_markup_to_ansi.rb
+++ b/test/test_rdoc_markup_to_ansi.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupToAnsi < RDoc::Markup::TextFormatterTestCase
diff --git a/test/test_rdoc_markup_to_bs.rb b/test/test_rdoc_markup_to_bs.rb
index 153a121d78..9b798c92b3 100644
--- a/test/test_rdoc_markup_to_bs.rb
+++ b/test/test_rdoc_markup_to_bs.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupToBs < RDoc::Markup::TextFormatterTestCase
diff --git a/test/test_rdoc_markup_to_html.rb b/test/test_rdoc_markup_to_html.rb
index b5edeb04d2..ef28d6dd4b 100644
--- a/test/test_rdoc_markup_to_html.rb
+++ b/test/test_rdoc_markup_to_html.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupToHtml < RDoc::Markup::FormatterTestCase
diff --git a/test/test_rdoc_markup_to_html_crossref.rb b/test/test_rdoc_markup_to_html_crossref.rb
index b9b5629554..73b76de4d9 100644
--- a/test/test_rdoc_markup_to_html_crossref.rb
+++ b/test/test_rdoc_markup_to_html_crossref.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocMarkupToHtmlCrossref < XrefTestCase
diff --git a/test/test_rdoc_markup_to_html_snippet.rb b/test/test_rdoc_markup_to_html_snippet.rb
index 19c534863e..fa59de434f 100644
--- a/test/test_rdoc_markup_to_html_snippet.rb
+++ b/test/test_rdoc_markup_to_html_snippet.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupToHtmlSnippet < RDoc::Markup::FormatterTestCase
diff --git a/test/test_rdoc_markup_to_joined_paragraph.rb b/test/test_rdoc_markup_to_joined_paragraph.rb
index 414b7d3732..0a6a864bfa 100644
--- a/test/test_rdoc_markup_to_joined_paragraph.rb
+++ b/test/test_rdoc_markup_to_joined_paragraph.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupToJoinedParagraph < RDoc::TestCase
diff --git a/test/test_rdoc_markup_to_label.rb b/test/test_rdoc_markup_to_label.rb
index 35df69c2ac..23ab8cbfab 100644
--- a/test/test_rdoc_markup_to_label.rb
+++ b/test/test_rdoc_markup_to_label.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupToLabel < RDoc::Markup::FormatterTestCase
diff --git a/test/test_rdoc_markup_to_markdown.rb b/test/test_rdoc_markup_to_markdown.rb
index a72f30ee01..f5ea8d05da 100644
--- a/test/test_rdoc_markup_to_markdown.rb
+++ b/test/test_rdoc_markup_to_markdown.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupToMarkdown < RDoc::Markup::TextFormatterTestCase
diff --git a/test/test_rdoc_markup_to_rdoc.rb b/test/test_rdoc_markup_to_rdoc.rb
index 0dce0a0d5a..31761eb44d 100644
--- a/test/test_rdoc_markup_to_rdoc.rb
+++ b/test/test_rdoc_markup_to_rdoc.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupToRDoc < RDoc::Markup::TextFormatterTestCase
diff --git a/test/test_rdoc_markup_to_table_of_contents.rb b/test/test_rdoc_markup_to_table_of_contents.rb
index acfa807948..f21dbfe748 100644
--- a/test/test_rdoc_markup_to_table_of_contents.rb
+++ b/test/test_rdoc_markup_to_table_of_contents.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupToTableOfContents < RDoc::Markup::FormatterTestCase
diff --git a/test/test_rdoc_markup_to_tt_only.rb b/test/test_rdoc_markup_to_tt_only.rb
index a7918c90ab..b08362cd0b 100644
--- a/test/test_rdoc_markup_to_tt_only.rb
+++ b/test/test_rdoc_markup_to_tt_only.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupToTtOnly < RDoc::Markup::FormatterTestCase
diff --git a/test/test_rdoc_markup_verbatim.rb b/test/test_rdoc_markup_verbatim.rb
index 6fdf8fde28..3b05100a33 100644
--- a/test/test_rdoc_markup_verbatim.rb
+++ b/test/test_rdoc_markup_verbatim.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocMarkupVerbatim < RDoc::TestCase
diff --git a/test/test_rdoc_method_attr.rb b/test/test_rdoc_method_attr.rb
index 70f129ef32..68a9d6cc21 100644
--- a/test/test_rdoc_method_attr.rb
+++ b/test/test_rdoc_method_attr.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocMethodAttr < XrefTestCase
diff --git a/test/test_rdoc_normal_class.rb b/test/test_rdoc_normal_class.rb
index 9153bdc839..874eaaa88c 100644
--- a/test/test_rdoc_normal_class.rb
+++ b/test/test_rdoc_normal_class.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocNormalClass < XrefTestCase
diff --git a/test/test_rdoc_normal_module.rb b/test/test_rdoc_normal_module.rb
index d92a72e7bf..68e776c41f 100644
--- a/test/test_rdoc_normal_module.rb
+++ b/test/test_rdoc_normal_module.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocNormalModule < XrefTestCase
diff --git a/test/test_rdoc_options.rb b/test/test_rdoc_options.rb
index eef37b44b4..760cf9db55 100644
--- a/test/test_rdoc_options.rb
+++ b/test/test_rdoc_options.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocOptions < RDoc::TestCase
diff --git a/test/test_rdoc_parser.rb b/test/test_rdoc_parser.rb
index b71d89b064..5d4da7e425 100644
--- a/test/test_rdoc_parser.rb
+++ b/test/test_rdoc_parser.rb
@@ -1,5 +1,5 @@
 # -*- coding: us-ascii -*-
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require 'rdoc/test_case'
 
diff --git a/test/test_rdoc_parser_c.rb b/test/test_rdoc_parser_c.rb
index 3b26e4d51c..2cc8ddf79a 100644
--- a/test/test_rdoc_parser_c.rb
+++ b/test/test_rdoc_parser_c.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 =begin
diff --git a/test/test_rdoc_parser_changelog.rb b/test/test_rdoc_parser_changelog.rb
index 0135d26d87..46cbb0d9a3 100644
--- a/test/test_rdoc_parser_changelog.rb
+++ b/test/test_rdoc_parser_changelog.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocParserChangeLog < RDoc::TestCase
diff --git a/test/test_rdoc_parser_markdown.rb b/test/test_rdoc_parser_markdown.rb
index a8a8402946..50893ecf99 100644
--- a/test/test_rdoc_parser_markdown.rb
+++ b/test/test_rdoc_parser_markdown.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocParserMarkdown < RDoc::TestCase
diff --git a/test/test_rdoc_parser_rd.rb b/test/test_rdoc_parser_rd.rb
index 481d190ffe..e8f4250284 100644
--- a/test/test_rdoc_parser_rd.rb
+++ b/test/test_rdoc_parser_rd.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocParserRd < RDoc::TestCase
diff --git a/test/test_rdoc_parser_ruby.rb b/test/test_rdoc_parser_ruby.rb
index db2e4e9927..bee4fdc9c8 100644
--- a/test/test_rdoc_parser_ruby.rb
+++ b/test/test_rdoc_parser_ruby.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require 'rdoc/test_case'
 
diff --git a/test/test_rdoc_parser_simple.rb b/test/test_rdoc_parser_simple.rb
index 0e2cf0d9a9..cdbcd7929d 100644
--- a/test/test_rdoc_parser_simple.rb
+++ b/test/test_rdoc_parser_simple.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocParserSimple < RDoc::TestCase
diff --git a/test/test_rdoc_rd.rb b/test/test_rdoc_rd.rb
index 938c5569f9..ed67ae2caa 100644
--- a/test/test_rdoc_rd.rb
+++ b/test/test_rdoc_rd.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocRd < RDoc::TestCase
diff --git a/test/test_rdoc_rd_block_parser.rb b/test/test_rdoc_rd_block_parser.rb
index 18ec30db0f..a73c206508 100644
--- a/test/test_rdoc_rd_block_parser.rb
+++ b/test/test_rdoc_rd_block_parser.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocRdBlockParser < RDoc::TestCase
diff --git a/test/test_rdoc_rd_inline.rb b/test/test_rdoc_rd_inline.rb
index d4448e4397..2869681c6e 100644
--- a/test/test_rdoc_rd_inline.rb
+++ b/test/test_rdoc_rd_inline.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocRdInline < RDoc::TestCase
diff --git a/test/test_rdoc_rd_inline_parser.rb b/test/test_rdoc_rd_inline_parser.rb
index eb022b240f..b4394019b3 100644
--- a/test/test_rdoc_rd_inline_parser.rb
+++ b/test/test_rdoc_rd_inline_parser.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocRdInlineParser < RDoc::TestCase
diff --git a/test/test_rdoc_rdoc.rb b/test/test_rdoc_rdoc.rb
index 39f54555b5..724fda408a 100644
--- a/test/test_rdoc_rdoc.rb
+++ b/test/test_rdoc_rdoc.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocRDoc < RDoc::TestCase
diff --git a/test/test_rdoc_require.rb b/test/test_rdoc_require.rb
index cfbdac7a57..46c225299a 100644
--- a/test/test_rdoc_require.rb
+++ b/test/test_rdoc_require.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocRequire < XrefTestCase
diff --git a/test/test_rdoc_ri_driver.rb b/test/test_rdoc_ri_driver.rb
index 81c8469e25..687d0968df 100644
--- a/test/test_rdoc_ri_driver.rb
+++ b/test/test_rdoc_ri_driver.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocRIDriver < RDoc::TestCase
diff --git a/test/test_rdoc_ri_paths.rb b/test/test_rdoc_ri_paths.rb
index 06968b5510..b0f368353a 100644
--- a/test/test_rdoc_ri_paths.rb
+++ b/test/test_rdoc_ri_paths.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocRIPaths < RDoc::TestCase
diff --git a/test/test_rdoc_rubygems_hook.rb b/test/test_rdoc_rubygems_hook.rb
index ee16f3d95c..2fb79ff577 100644
--- a/test/test_rdoc_rubygems_hook.rb
+++ b/test/test_rdoc_rubygems_hook.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rubygems/test_case'
 require 'rdoc/rubygems_hook'
 
diff --git a/test/test_rdoc_servlet.rb b/test/test_rdoc_servlet.rb
index 947d8c896c..4dd1f08ddd 100644
--- a/test/test_rdoc_servlet.rb
+++ b/test/test_rdoc_servlet.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocServlet < RDoc::TestCase
diff --git a/test/test_rdoc_single_class.rb b/test/test_rdoc_single_class.rb
index 85a99d2229..5761bfef4d 100644
--- a/test/test_rdoc_single_class.rb
+++ b/test/test_rdoc_single_class.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocSingleClass < RDoc::TestCase
diff --git a/test/test_rdoc_stats.rb b/test/test_rdoc_stats.rb
index 34e1417783..19fc2365b3 100644
--- a/test/test_rdoc_stats.rb
+++ b/test/test_rdoc_stats.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocStats < RDoc::TestCase
diff --git a/test/test_rdoc_store.rb b/test/test_rdoc_store.rb
index d32eab3ec1..4a4cf3ac0f 100644
--- a/test/test_rdoc_store.rb
+++ b/test/test_rdoc_store.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocStore < XrefTestCase
diff --git a/test/test_rdoc_task.rb b/test/test_rdoc_task.rb
index bb5d2ae134..ac3512f42a 100644
--- a/test/test_rdoc_task.rb
+++ b/test/test_rdoc_task.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 begin
   require 'rake'
diff --git a/test/test_rdoc_text.rb b/test/test_rdoc_text.rb
index 7a125854b5..8d638bbc38 100644
--- a/test/test_rdoc_text.rb
+++ b/test/test_rdoc_text.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require 'rdoc/test_case'
 
diff --git a/test/test_rdoc_token_stream.rb b/test/test_rdoc_token_stream.rb
index 95c3ffd13e..abf1469bbc 100644
--- a/test/test_rdoc_token_stream.rb
+++ b/test/test_rdoc_token_stream.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocTokenStream < RDoc::TestCase
diff --git a/test/test_rdoc_tom_doc.rb b/test/test_rdoc_tom_doc.rb
index 7076edfa72..6e60e67726 100644
--- a/test/test_rdoc_tom_doc.rb
+++ b/test/test_rdoc_tom_doc.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rdoc/test_case'
 
 class TestRDocTomDoc < RDoc::TestCase
diff --git a/test/test_rdoc_top_level.rb b/test/test_rdoc_top_level.rb
index b8145e3f9d..00fc7a1bd5 100644
--- a/test/test_rdoc_top_level.rb
+++ b/test/test_rdoc_top_level.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require File.expand_path '../xref_test_case', __FILE__
 
 class TestRDocTopLevel < XrefTestCase
diff --git a/test/xref_data.rb b/test/xref_data.rb
index c712ab8891..bc20d8ed91 100644
--- a/test/xref_data.rb
+++ b/test/xref_data.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 XREF_DATA = <<-XREF_DATA
 class C1
 
diff --git a/test/xref_test_case.rb b/test/xref_test_case.rb
index 9b2f876e5a..9f709964c6 100644
--- a/test/xref_test_case.rb
+++ b/test/xref_test_case.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ENV['RDOC_TEST'] = 'yes'
 
 require 'rdoc'