Add frozen_string_literal: false for all files

When you change this to true, you may need to add more tests.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

36 files changed, 36 insertions, 0 deletions

diff --git a/lib/rdoc/markup/attr_changer.rb b/lib/rdoc/markup/attr_changer.rb
index 1772f18b2b..9a1a9c8c66 100644
--- a/lib/rdoc/markup/attr_changer.rb
+++ b/lib/rdoc/markup/attr_changer.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 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 b5c1b3b7b7..4d9e5b0217 100644
--- a/lib/rdoc/markup/attr_span.rb
+++ b/lib/rdoc/markup/attr_span.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 ce4ac76d5b..3296d17af2 100644
--- a/lib/rdoc/markup/attribute_manager.rb
+++ b/lib/rdoc/markup/attribute_manager.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # Manages changes of attributes in a block of text
 
diff --git a/lib/rdoc/markup/attributes.rb b/lib/rdoc/markup/attributes.rb
index 3423f10ca7..8776c4ed29 100644
--- a/lib/rdoc/markup/attributes.rb
+++ b/lib/rdoc/markup/attributes.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 5da0ac8d81..2b1ab91b47 100644
--- a/lib/rdoc/markup/blank_line.rb
+++ b/lib/rdoc/markup/blank_line.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 552f0c4baa..3be022f9dd 100644
--- a/lib/rdoc/markup/block_quote.rb
+++ b/lib/rdoc/markup/block_quote.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # A quoted section which contains markup items.
 
diff --git a/lib/rdoc/markup/document.rb b/lib/rdoc/markup/document.rb
index be93d80eec..0692c3522f 100644
--- a/lib/rdoc/markup/document.rb
+++ b/lib/rdoc/markup/document.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # A Document containing lists, headings, paragraphs, etc.
 
diff --git a/lib/rdoc/markup/formatter.rb b/lib/rdoc/markup/formatter.rb
index 7661c95239..197ff003e3 100644
--- a/lib/rdoc/markup/formatter.rb
+++ b/lib/rdoc/markup/formatter.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 6616a75898..776fe00537 100644
--- a/lib/rdoc/markup/formatter_test_case.rb
+++ b/lib/rdoc/markup/formatter_test_case.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'minitest/unit'
 
 ##
diff --git a/lib/rdoc/markup/hard_break.rb b/lib/rdoc/markup/hard_break.rb
index 8445ad26e7..5898bfb644 100644
--- a/lib/rdoc/markup/hard_break.rb
+++ b/lib/rdoc/markup/hard_break.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # A hard-break in the middle of a paragraph.
 
diff --git a/lib/rdoc/markup/heading.rb b/lib/rdoc/markup/heading.rb
index 535e310e54..5229287d5b 100644
--- a/lib/rdoc/markup/heading.rb
+++ b/lib/rdoc/markup/heading.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # A heading with a level (1-6) and text
 
diff --git a/lib/rdoc/markup/include.rb b/lib/rdoc/markup/include.rb
index a2e8903279..891be71b85 100644
--- a/lib/rdoc/markup/include.rb
+++ b/lib/rdoc/markup/include.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 1b8a8c725d..56a96bd3c9 100644
--- a/lib/rdoc/markup/indented_paragraph.rb
+++ b/lib/rdoc/markup/indented_paragraph.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # An Indented Paragraph of text
 
diff --git a/lib/rdoc/markup/inline.rb b/lib/rdoc/markup/inline.rb
index fb3ab5c74d..58072fef06 100644
--- a/lib/rdoc/markup/inline.rb
+++ b/lib/rdoc/markup/inline.rb
@@ -1 +1,2 @@
+# frozen_string_literal: false
 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 89b7fc20fa..bcaea7d7c1 100644
--- a/lib/rdoc/markup/list.rb
+++ b/lib/rdoc/markup/list.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 c5e59fe167..115ec0412c 100644
--- a/lib/rdoc/markup/list_item.rb
+++ b/lib/rdoc/markup/list_item.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 7180729f75..fefa12f9ef 100644
--- a/lib/rdoc/markup/paragraph.rb
+++ b/lib/rdoc/markup/paragraph.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # A Paragraph of text
 
diff --git a/lib/rdoc/markup/parser.rb b/lib/rdoc/markup/parser.rb
index cc828a4513..2f8b7628e2 100644
--- a/lib/rdoc/markup/parser.rb
+++ b/lib/rdoc/markup/parser.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'strscan'
 
 ##
diff --git a/lib/rdoc/markup/pre_process.rb b/lib/rdoc/markup/pre_process.rb
index 01fb293462..d7cef36158 100644
--- a/lib/rdoc/markup/pre_process.rb
+++ b/lib/rdoc/markup/pre_process.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 e11e8efff4..8012d2cea6 100644
--- a/lib/rdoc/markup/raw.rb
+++ b/lib/rdoc/markup/raw.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 b778f2bc09..b96d4fb293 100644
--- a/lib/rdoc/markup/rule.rb
+++ b/lib/rdoc/markup/rule.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # A horizontal rule with a weight
 
diff --git a/lib/rdoc/markup/special.rb b/lib/rdoc/markup/special.rb
index 1c0fc03eea..4d834b9e37 100644
--- a/lib/rdoc/markup/special.rb
+++ b/lib/rdoc/markup/special.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 4abf42563b..1c8882aa36 100644
--- a/lib/rdoc/markup/text_formatter_test_case.rb
+++ b/lib/rdoc/markup/text_formatter_test_case.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 4d439ce88d..56cd1fe446 100644
--- a/lib/rdoc/markup/to_ansi.rb
+++ b/lib/rdoc/markup/to_ansi.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # Outputs RDoc markup with vibrant ANSI color!
 
diff --git a/lib/rdoc/markup/to_bs.rb b/lib/rdoc/markup/to_bs.rb
index 10c31854d2..d55f64c5e7 100644
--- a/lib/rdoc/markup/to_bs.rb
+++ b/lib/rdoc/markup/to_bs.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 2b1216ef2a..3bf66c2c31 100644
--- a/lib/rdoc/markup/to_html.rb
+++ b/lib/rdoc/markup/to_html.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'cgi'
 
 ##
diff --git a/lib/rdoc/markup/to_html_crossref.rb b/lib/rdoc/markup/to_html_crossref.rb
index d27e0ab627..3f03c65898 100644
--- a/lib/rdoc/markup/to_html_crossref.rb
+++ b/lib/rdoc/markup/to_html_crossref.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 4ad0a9a4b9..75c1df94d9 100644
--- a/lib/rdoc/markup/to_html_snippet.rb
+++ b/lib/rdoc/markup/to_html_snippet.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 835841071d..293258c092 100644
--- a/lib/rdoc/markup/to_joined_paragraph.rb
+++ b/lib/rdoc/markup/to_joined_paragraph.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 6fbe4a3dbd..bdf08b7aee 100644
--- a/lib/rdoc/markup/to_label.rb
+++ b/lib/rdoc/markup/to_label.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'cgi'
 
 ##
diff --git a/lib/rdoc/markup/to_markdown.rb b/lib/rdoc/markup/to_markdown.rb
index d4b15bf41b..9074547b4c 100644
--- a/lib/rdoc/markup/to_markdown.rb
+++ b/lib/rdoc/markup/to_markdown.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 # :markup: markdown
 
 ##
diff --git a/lib/rdoc/markup/to_rdoc.rb b/lib/rdoc/markup/to_rdoc.rb
index f16b4ed5a3..a40c09859f 100644
--- a/lib/rdoc/markup/to_rdoc.rb
+++ b/lib/rdoc/markup/to_rdoc.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 2e0f98cfeb..eae7c59d94 100644
--- a/lib/rdoc/markup/to_table_of_contents.rb
+++ b/lib/rdoc/markup/to_table_of_contents.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 c51f64b917..7b1fa8c630 100644
--- a/lib/rdoc/markup/to_test.rb
+++ b/lib/rdoc/markup/to_test.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 e2da20c6f3..ba20fcdd00 100644
--- a/lib/rdoc/markup/to_tt_only.rb
+++ b/lib/rdoc/markup/to_tt_only.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # 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 0ddde675e3..a0b1d05928 100644
--- a/lib/rdoc/markup/verbatim.rb
+++ b/lib/rdoc/markup/verbatim.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 ##
 # A section of verbatim text