remove trailing spaces in source

9 files changed, 13 insertions, 13 deletions

diff --git a/Gemfile b/Gemfile
index 01be16b7..0f324e0c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,7 +18,7 @@ group :development do
 end
 
 # enable this group to use Guard for continuous testing
-# after removing comments, run `bundle install` then `guard` 
+# after removing comments, run `bundle install` then `guard`
 #group :guardtest do
 #  gem 'guard'
 #  gem 'guard-test'
diff --git a/README-jp.adoc b/README-jp.adoc
index ba4ce7ac..788a914b 100644
--- a/README-jp.adoc
+++ b/README-jp.adoc
@@ -148,7 +148,7 @@ TIP: Linuxパッケージマネージャを用いてインストールするこ�
 [TIP]
 ====
 もしAsciidoctorの以前のバージョンがインストール済みであれば, 以下によってアップデートできます:
- 
+
  $ gem update asciidoctor
 
 もし gem update の代わりに `gem install` を使ってgemを新バージョンにした場合, 複数バージョンがインストールされるでしょう.
@@ -199,7 +199,7 @@ Debian, UbuntuまたはMintにインストールするには, ターミナルを
  $ sudo apt-get install -y asciidoctor
 
 gemをアップグレードするには:
- 
+
  $ sudo apt-get upgrade -y asciidoctor
 
 TIP: お使いのシステムは自動的にdebパッケージをアップデートするよう設定されているかも知れません.その場合, gemのアップデートのためにあなたがすべきことはありません.
diff --git a/features/xref.feature b/features/xref.feature
index c2ec2592..9dc6cbcf 100644
--- a/features/xref.feature
+++ b/features/xref.feature
@@ -11,9 +11,9 @@ Feature: Cross References
     |===
     a|See <<_install>>
     |===
-    
+
     == Install
-    
+
     Instructions go here.
     """
   When it is converted to html
diff --git a/lib/asciidoctor/abstract_block.rb b/lib/asciidoctor/abstract_block.rb
index b768bef8..1884edc9 100644
--- a/lib/asciidoctor/abstract_block.rb
+++ b/lib/asciidoctor/abstract_block.rb
@@ -404,7 +404,7 @@ class AbstractBlock < AbstractNode
   #
   # IMPORTANT You must invoke this method on a node after removing
   # child sections or else the internal counters will be off.
-  # 
+  #
   # Returns nothing
   def reindex_sections
     @next_section_index = 0
diff --git a/lib/asciidoctor/converter/template.rb b/lib/asciidoctor/converter/template.rb
index 4308dfd4..e2bef8d0 100644
--- a/lib/asciidoctor/converter/template.rb
+++ b/lib/asciidoctor/converter/template.rb
@@ -246,7 +246,7 @@ module Asciidoctor
         elsif name.start_with? 'block_'
           name = name[6..-1]
         end
-        
+
         template_class = ::Tilt
         extra_engine_options = {}
         case (ext_name = path_segments[-1])
diff --git a/lib/asciidoctor/substitutors.rb b/lib/asciidoctor/substitutors.rb
index 2f56f5ac..268c352e 100644
--- a/lib/asciidoctor/substitutors.rb
+++ b/lib/asciidoctor/substitutors.rb
@@ -344,7 +344,7 @@ module Substitutors
       text.gsub SpecialCharsRx, SpecialCharsTr
     end
   else
-    def sub_specialchars text 
+    def sub_specialchars text
       text.gsub(SpecialCharsRx) { SpecialCharsTr[$&] }
     end
   end
diff --git a/test/extensions_test.rb b/test/extensions_test.rb
index 72194b55..85c6afda 100644
--- a/test/extensions_test.rb
+++ b/test/extensions_test.rb
@@ -442,7 +442,7 @@ context 'Extensions' do
   context 'Integration' do
     test 'can provide extension registry as option' do
       registry = Asciidoctor::Extensions.create do
-        tree_processor SampleTreeProcessor 
+        tree_processor SampleTreeProcessor
       end
 
       doc = document_from_string %(= Document Title\n\ncontent), :extension_registry => registry
@@ -455,7 +455,7 @@ context 'Extensions' do
 
     test 'can provide extensions proc as option' do
       doc = document_from_string %(= Document Title\n\ncontent), :extensions => proc {
-        tree_processor SampleTreeProcessor 
+        tree_processor SampleTreeProcessor
       }
       refute_nil doc.extensions
       assert_equal 1, doc.extensions.groups.size
diff --git a/test/lists_test.rb b/test/lists_test.rb
index 58874de7..562021a3 100644
--- a/test/lists_test.rb
+++ b/test/lists_test.rb
@@ -4411,7 +4411,7 @@ listing block in list item 1
 
     doc = document_from_string input
     list = (doc.find_by :context => :ulist).first
-    assert_equal 3, list.items.size 
+    assert_equal 3, list.items.size
     assert_equal 'one', list.items[0].text
     list.items[0].text = 'un'
     assert_equal 'un', list.items[0].text
@@ -4427,7 +4427,7 @@ listing block in list item 1
 
     doc = document_from_string input
     list = (doc.find_by :context => :ulist).first
-    assert_equal 4, list.items.size 
+    assert_equal 4, list.items.size
     list.items[0].remove_sub :quotes
     assert_equal '*one*', list.items[0].text
     refute_includes list.items[0].subs, :quotes
diff --git a/test/substitutions_test.rb b/test/substitutions_test.rb
index 7d2316c5..214a0ac5 100644
--- a/test/substitutions_test.rb
+++ b/test/substitutions_test.rb
@@ -21,7 +21,7 @@ context 'Substitutions' do
       para = block_from_string %([%hardbreaks]\nthis\nis\n-> {program})
       para.lines << ''
       para.lines << ''
-      para.document.attributes['program'] = 'Asciidoctor' 
+      para.document.attributes['program'] = 'Asciidoctor'
       result = para.apply_subs(para.lines)
       assert_equal ['this<br>', 'is<br>', '&#8594; Asciidoctor<br>', '<br>', ''], result
       result = para.apply_subs(para.lines * "\n")