switch from EOS to END as heredoc delimiter

1 files changed, 250 insertions, 250 deletions

diff --git a/spec/list_spec.rb b/spec/list_spec.rb
index 433557ae..8e865168 100644
--- a/spec/list_spec.rb
+++ b/spec/list_spec.rb
@@ -5,13 +5,13 @@ require_relative 'spec_helper'
 describe 'Asciidoctor::PDF::Converter - List' do
   context 'Unordered' do
     it 'should use different marker for first three list levels' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       * level one
        ** level two
         *** level three
          **** level four
       * back to level one
-      EOS
+      END
 
       expected_lines = [
         '• level one',
@@ -25,12 +25,12 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should indent each nested list' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       * level one
        ** level two
         *** level three
       * back to level one
-      EOS
+      END
 
       prev_it = nil
       %w(one two three).each do |it|
@@ -45,13 +45,13 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should use list item spacing between lineal lists' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       * yak
       * foo
        ** bar
       * yin
        ** yang
-      EOS
+      END
 
       item_texts = pdf.find_text %r/^\p{Alpha}/
       (expect item_texts).to have_size 5
@@ -63,7 +63,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should disable indent for list if list_indent is 0' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { list_indent: 0 }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { list_indent: 0 }, analyze: true
       before
 
       * a
@@ -71,7 +71,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       * c
 
       after
-      EOS
+      END
 
       (expect pdf.lines).to include %(\u2022 a)
       before_text = pdf.find_unique_text 'before'
@@ -80,24 +80,24 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should use marker specified by style' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [square]
       * one
       * two
       * three
-      EOS
+      END
 
       (expect pdf.lines).to eql ['▪ one', '▪ two', '▪ three']
     end
 
     it 'should emit warning if list style is unrecognized and fall back to disc' do
       (expect do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [oval]
         * one
         * two
         * three
-        EOS
+        END
 
         (expect pdf.find_text ?\u2022).to have_size 3
       end).to log_message severity: :WARN, message: 'unknown unordered list style: oval'
@@ -105,7 +105,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
     it 'should not emit warning if list style is unrecognized in scratch document' do
       (expect do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [%unbreakable]
         --
         [foobarbaz]
@@ -113,21 +113,21 @@ describe 'Asciidoctor::PDF::Converter - List' do
         * bar
         * baz
         --
-        EOS
+        END
 
         (expect pdf.find_text ?\u2022).to have_size 3
       end).to log_message severity: :WARN, message: 'unknown unordered list style: foobarbaz' # asserts count of 1
     end
 
     it 'should make bullets invisible if list has no-bullet style' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       reference
 
       [no-bullet]
       * wood
       * hammer
       * nail
-      EOS
+      END
 
       (expect pdf.lines[1..-1]).to eql %w(wood hammer nail)
       left_margin = pdf.text[0][:x]
@@ -138,7 +138,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should disable indent for no-bullet list if list_indent is 0' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { list_indent: 0 }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { list_indent: 0 }, analyze: true
       before
 
       [no-bullet]
@@ -147,7 +147,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       * c
 
       after
-      EOS
+      END
 
       (expect pdf.lines).to include 'a'
       before_text = pdf.find_unique_text 'before'
@@ -156,7 +156,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should apply proper indentation for each list style that hides the marker' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       reference
 
       [unstyled]
@@ -167,7 +167,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
       [none]
       * none
-      EOS
+      END
 
       (expect pdf.text).to have_size 4
       left_margin = (pdf.find_unique_text 'reference')[:x]
@@ -181,7 +181,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
     it 'should not indent list with no marker if list indent is not set or set to 0 in theme' do
       [nil, 0].each do |indent|
-        pdf = to_pdf <<~'EOS', pdf_theme: { list_indent: indent }, analyze: true
+        pdf = to_pdf <<~'END', pdf_theme: { list_indent: indent }, analyze: true
         before
 
         [no-bullet]
@@ -190,7 +190,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
         * c
 
         after
-        EOS
+        END
 
         left_margin = (pdf.find_unique_text 'before')[:x]
         none_item = pdf.find_unique_text 'a'
@@ -205,22 +205,22 @@ describe 'Asciidoctor::PDF::Converter - List' do
         ulist_marker_square_content: '$',
       }
 
-      pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
       * diamond
        ** dotted circle
         *** dollar
-      EOS
+      END
 
       (expect pdf.lines).to eql [%(\u25ca diamond), %(\u25cc dotted circle), '$ dollar']
     end
 
     it 'should allow theme to change marker color for ulist' do
       [:list_marker_font_color, :ulist_marker_font_color].each do |key|
-        pdf = to_pdf <<~'EOS', pdf_theme: { key => '00FF00' }, analyze: true
+        pdf = to_pdf <<~'END', pdf_theme: { key => '00FF00' }, analyze: true
         * all
         * the
         * things
-        EOS
+        END
 
         marker_colors = (pdf.find_text ?\u2022).map {|it| it[:font_color] }.uniq
         (expect marker_colors).to eql ['00FF00']
@@ -235,11 +235,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
         ulist_marker_line_height: 0.625,
       }
 
-      pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
       * all
       * the
       * things
-      EOS
+      END
 
       marker = (pdf.find_text %(\u2022))[0]
       text = pdf.find_unique_text 'all'
@@ -251,11 +251,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
     it 'should allow theme to change marker font style for ulist' do
       pdf_theme = { ulist_marker_font_style: 'bold' }
 
-      pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
       * one
       * two
       * three
-      EOS
+      END
 
       marker = (pdf.find_text ?\u2022)[0]
       (expect marker[:font_name]).to eql 'NotoSerif-Bold'
@@ -264,12 +264,12 @@ describe 'Asciidoctor::PDF::Converter - List' do
     it 'should allow theme to change specific marker font style for ulist' do
       pdf_theme = { ulist_marker_circle_font_style: 'bold' }
 
-      pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
       [circle]
       * one
       * two
       * three
-      EOS
+      END
 
       marker = (pdf.find_text ?\u25e6)[0]
       (expect marker[:font_name]).to eql 'NotoSerif-Bold'
@@ -280,9 +280,9 @@ describe 'Asciidoctor::PDF::Converter - List' do
         extends: 'default-with-font-fallbacks',
         ulist_marker_disc_content: ?\u2055,
       }
-      pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
       * missing marker
-      EOS
+      END
 
       marker_text = pdf.find_unique_text ?\u2055
       (expect marker_text[:width]).to eql 5.25
@@ -295,9 +295,9 @@ describe 'Asciidoctor::PDF::Converter - List' do
           ulist_marker_disc_content: ?\uf192,
         }
 
-        pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+        pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
         * bullseye!
-        EOS
+        END
 
         (expect pdf.lines).to eql [%(\uf192 bullseye!)]
         marker_text = pdf.find_unique_text ?\uf192
@@ -307,11 +307,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should not insert extra blank line if list item text is forced to break' do
-      pdf = to_pdf <<~EOS, analyze: true
+      pdf = to_pdf <<~END, analyze: true
       * #{'a' * 100}
       * b +
       b
-      EOS
+      END
 
       a1_marker_text, b1_marker_text = pdf.find_text ?\u2022
       a1_text, a2_text = pdf.find_text %r/^a+$/
@@ -322,11 +322,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should use consistent line height even if list item is entirely monospace' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       * foo
       * `mono`
       * bar
-      EOS
+      END
 
       mark_texts = pdf.find_text '•'
       (expect mark_texts).to have_size 3
@@ -336,12 +336,12 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should apply consistent line height to wrapped line that only contained monospaced text' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       * A list item containing a `short code phrase` and a `slightly longer code phrase` and a `very long code phrase that wraps to the next line`
       * B +
       `code phrase for reference`
       * C
-      EOS
+      END
 
       mark_texts = pdf.find_text ?\u2022
       a1_text = pdf.find_unique_text %r/^A /
@@ -355,11 +355,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should apply correct margin if primary text of list item is blank' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       * foo
       * {blank}
       * bar
-      EOS
+      END
 
       mark_texts = pdf.find_text '•'
       (expect mark_texts).to have_size 3
@@ -369,11 +369,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should align first block of list item with marker if primary text is blank' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       * {blank}
       +
       text
-      EOS
+      END
 
       text = pdf.text
       (expect text).to have_size 2
@@ -381,7 +381,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should keep list marker with primary text' do
-      pdf = to_pdf <<~EOS, analyze: true
+      pdf = to_pdf <<~END, analyze: true
       :pdf-page-size: 52mm x 74mm
       :pdf-page-margin: 0
 
@@ -390,7 +390,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ....
 
       * list item
-      EOS
+      END
 
       marker_text = pdf.find_unique_text ?\u2022
       (expect marker_text[:page_number]).to be 2
@@ -399,7 +399,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should position marker correctly when media is prepress and list item is advanced to next page' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { prose_margin_bottom: 705.5 }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { prose_margin_bottom: 705.5 }, analyze: true
       :media: prepress
 
       filler
@@ -407,7 +407,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       * first
       * middle
       * last
-      EOS
+      END
 
       marker_texts = pdf.find_text '•', page_number: 2
       (expect marker_texts).to have_size 2
@@ -415,7 +415,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should position marker correctly when media is prepress and list item is split across page' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { prose_margin_bottom: 705 }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { prose_margin_bottom: 705 }, analyze: true
       :media: prepress
 
       filler
@@ -424,7 +424,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       * middle +
       more middle
       * last
-      EOS
+      END
 
       (expect (pdf.find_unique_text 'middle')[:page_number]).to be 1
       (expect (pdf.find_text '•')[1][:page_number]).to be 1
@@ -434,7 +434,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     it 'should reuse next page of block with background when positioning marker when media is prepress' do
       filler = ['filler']
       filler_list_item = ['* Ex nam suas nemore dignissim, vel apeirian democritum et. At ornatus splendide sed, phaedrum omittantur usu an, vix an noster voluptatibus.']
-      pdf = to_pdf <<~EOS
+      pdf = to_pdf <<~END
       :media: prepress
 
       .Sidebar
@@ -457,7 +457,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
       [%hardbreaks]
       #{filler * 5 * ?\n}
-      EOS
+      END
 
       pages = pdf.pages
       (expect pages).to have_size 3
@@ -473,27 +473,27 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should allow text alignment to be set using role', visual: true do
-      to_file = to_pdf_file <<~EOS, 'list-text-left-role.pdf'
+      to_file = to_pdf_file <<~END, 'list-text-left-role.pdf'
       [.text-left]
       * #{lorem_ipsum '2-sentences-1-paragraph'}
-      EOS
+      END
       (expect to_file).to visually_match 'list-text-left.pdf'
     end
 
     it 'should allow text alignment to be set using theme', visual: true do
-      to_file = to_pdf_file <<~EOS, 'list-text-left-theme.pdf', pdf_theme: { list_text_align: 'left' }
+      to_file = to_pdf_file <<~END, 'list-text-left-theme.pdf', pdf_theme: { list_text_align: 'left' }
       * #{lorem_ipsum '2-sentences-1-paragraph'}
-      EOS
+      END
       (expect to_file).to visually_match 'list-text-left.pdf'
     end
   end
 
   context 'Checklist' do
     it 'should replace markers with checkboxes in checklist' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       * [ ] todo
       * [x] done
-      EOS
+      END
 
       (expect pdf.lines).to eql [%(\u2610 todo), %(\u2611 done)]
     end
@@ -504,10 +504,10 @@ describe 'Asciidoctor::PDF::Converter - List' do
         ulist_marker_checked_content: ?\u25d9,
       }
 
-      pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
       * [ ] todo
       * [x] done
-      EOS
+      END
 
       (expect pdf.lines).to eql [%(\u25d8 todo), %(\u25d9 done)]
     end
@@ -517,9 +517,9 @@ describe 'Asciidoctor::PDF::Converter - List' do
         extends: 'default-with-font-fallbacks',
         ulist_marker_checked_content: ?\u303c,
       }
-      to_file = to_pdf_file <<~'EOS', 'list-checked-glyph-fallback.pdf', pdf_theme: pdf_theme
+      to_file = to_pdf_file <<~'END', 'list-checked-glyph-fallback.pdf', pdf_theme: pdf_theme
       * [x] done
-      EOS
+      END
 
       (expect to_file).to visually_match 'list-checked-glyph-fallback.pdf'
     end
@@ -533,10 +533,10 @@ describe 'Asciidoctor::PDF::Converter - List' do
           ulist_marker_checked_content: ?\uf046,
         }
 
-        pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+        pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
         * [ ] todo
         * [x] done
-        EOS
+        END
 
         (expect pdf.lines).to eql [%(\uf096 todo), %(\uf046 done)]
         unchecked_marker_text = pdf.find_unique_text ?\uf096
@@ -551,7 +551,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
   context 'Ordered' do
     it 'should number list items using arabic, loweralpha, lowerroman, upperalpha, upperroman numbering by default' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       . 1
        .. a
         ... i
@@ -559,13 +559,13 @@ describe 'Asciidoctor::PDF::Converter - List' do
           ..... I
       . 2
       . 3
-      EOS
+      END
 
       (expect pdf.lines).to eql ['1. 1', 'a. a', 'i. i', 'A. A', 'I. I', '2. 2', '3. 3']
     end
 
     it 'should indent each nested list' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       . 1
        .. a
         ... i
@@ -573,7 +573,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
           ..... I
       . 2
       . 3
-      EOS
+      END
 
       prev_it = nil
       %w(1 a i A I).each do |it|
@@ -588,24 +588,24 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should use marker specified by style' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [lowerroman]
       . one
       . two
       . three
-      EOS
+      END
 
       (expect pdf.lines).to eql ['i. one', 'ii. two', 'iii. three']
     end
 
     it 'should fall back to arabic if list style is unknown' do
       (expect do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [binary]
         . one
         . two
         . three
-        EOS
+        END
 
         (expect pdf.lines[0]).to eql '1. one'
       end).to not_log_message
@@ -613,10 +613,10 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
     it 'should support decimal marker style' do
       blank_line = %(\n\n)
-      pdf = to_pdf <<~EOS, analyze: true
+      pdf = to_pdf <<~END, analyze: true
       [decimal]
       #{(?a..?z).map {|c| '. ' + c }.join blank_line}
-      EOS
+      END
 
       lines = pdf.lines
       (expect lines).to have_size 26
@@ -626,10 +626,10 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
     it 'should support decimal marker style when start value has two digits' do
       blank_line = %(\n\n)
-      pdf = to_pdf <<~EOS, analyze: true
+      pdf = to_pdf <<~END, analyze: true
       [decimal,start=10]
       #{(?a..?z).map {|c| '. ' + c }.join blank_line}
-      EOS
+      END
 
       lines = pdf.lines
       (expect lines).to have_size 26
@@ -639,11 +639,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
     it 'should allow theme to change marker color for olist' do
       [:list_marker_font_color, :olist_marker_font_color].each do |key|
-        pdf = to_pdf <<~'EOS', pdf_theme: { key => '00FF00' }, analyze: true
+        pdf = to_pdf <<~'END', pdf_theme: { key => '00FF00' }, analyze: true
         . one
         . two
         . three
-        EOS
+        END
 
         marker_colors = (pdf.find_text %r/\d\./).map {|it| it[:font_color] }.uniq
         (expect marker_colors).to eql ['00FF00']
@@ -657,11 +657,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
         olist_marker_line_height: 0.976,
       }
 
-      pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
       . one
       . two
       . three
-      EOS
+      END
 
       marker = pdf.find_unique_text '1.'
       text = pdf.find_unique_text 'one'
@@ -673,22 +673,22 @@ describe 'Asciidoctor::PDF::Converter - List' do
     it 'should allow theme to change marker font style for olist' do
       pdf_theme = { olist_marker_font_style: 'bold' }
 
-      pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
       . one
       . two
       . three
-      EOS
+      END
 
       marker = pdf.find_unique_text '1.'
       (expect marker[:font_name]).to eql 'NotoSerif-Bold'
     end
 
     it 'should use consistent line height even if list item is entirely monospace' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       . foo
       . `mono`
       . bar
-      EOS
+      END
 
       mark_texts = pdf.text.select {|it| it[:string].end_with? '.' }
       (expect mark_texts).to have_size 3
@@ -698,7 +698,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should align list numbers to right and extend towards left margin' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       . one
       . two
       . three
@@ -709,7 +709,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       . eight
       . nine
       . ten
-      EOS
+      END
 
       nine_text = pdf.find_unique_text 'nine'
       ten_text = pdf.find_unique_text 'ten'
@@ -730,10 +730,10 @@ describe 'Asciidoctor::PDF::Converter - List' do
         'loweralpha' => %w(j a),
         'upperalpha' => %w(J A),
       }.each do |style, (last, first)|
-        pdf = to_pdf <<~EOS, analyze: true
+        pdf = to_pdf <<~END, analyze: true
         [#{style}%reversed]
         #{items.map {|it| %(. #{it}) }.join ?\n}
-        EOS
+        END
         lines = pdf.lines
         expect(lines[0]).to eql %(#{last}. ten)
         expect(lines[-1]).to eql %(#{first}. one)
@@ -744,11 +744,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should start numbering at value of start attribute if specified' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [start=9]
       . nine
       . ten
-      EOS
+      END
 
       no1_text = pdf.find_unique_text '1.'
       (expect no1_text).to be_nil
@@ -759,11 +759,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should start numbering at value of specified start attribute using specified numeration style' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [upperroman,start=9]
       . nine
       . ten
-      EOS
+      END
 
       no1_text = pdf.find_unique_text 'I.'
       (expect no1_text).to be_nil
@@ -774,83 +774,83 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should ignore start attribute if marker is disabled' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [unstyled,start=10]
       . a
       . b
       . c
-      EOS
+      END
 
       (expect pdf.lines).to eql %w(a b c)
     end
 
     it 'should ignore start value of 1' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [start=1]
       . one
       . two
       . three
-      EOS
+      END
 
       (expect pdf.lines).to eql ['1. one', '2. two', '3. three']
     end
 
     it 'should allow start value to be less than 1 for list with arabic numbering' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [start=-1]
       . negative one
       . zero
       . positive one
-      EOS
+      END
 
       (expect pdf.lines).to eql ['-1. negative one', '0. zero', '1. positive one']
     end
 
     it 'should allow start value to be less than 1 for list with roman numbering' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [lowerroman,start=-1]
       . negative one
       . zero
       . positive one
-      EOS
+      END
 
       (expect pdf.lines).to eql ['-1. negative one', '0. zero', 'i. positive one']
     end
 
     it 'should allow start value to be less than 1 for list with decimal numbering' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [decimal,start=-3]
       . on
       . our
       . way
       . to
       . one
-      EOS
+      END
 
       (expect pdf.lines).to eql ['-03. on', '-02. our', '-01. way', '00. to', '01. one']
     end
 
     # FIXME: this should be -1, 0, a
     it 'should ignore start value less than 1 for list with alpha numbering' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [loweralpha,start=-1]
       . negative one
       . zero
       . positive one
-      EOS
+      END
 
       (expect pdf.lines).to eql ['a. negative one', 'b. zero', 'c. positive one']
     end
 
     it 'should make numbers invisible if list has unnumbered style' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       reference
 
       [unnumbered]
       . one
       . two
       . three
-      EOS
+      END
 
       (expect pdf.lines[1..-1]).to eql %w(one two three)
       left_margin = pdf.text[0][:x]
@@ -861,7 +861,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should apply proper indentation for each list style that hides the marker' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       reference
 
       [unstyled]
@@ -875,7 +875,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
       [none]
       . none
-      EOS
+      END
 
       (expect pdf.text).to have_size 5
       left_margin = (pdf.find_unique_text 'reference')[:x]
@@ -890,7 +890,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should keep list marker with primary text' do
-      pdf = to_pdf <<~EOS, analyze: true
+      pdf = to_pdf <<~END, analyze: true
       :pdf-page-size: 52mm x 74mm
       :pdf-page-margin: 0
 
@@ -899,7 +899,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ....
 
       . list item
-      EOS
+      END
 
       marker_text = pdf.find_unique_text '1.'
       (expect marker_text[:page_number]).to be 2
@@ -910,7 +910,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
   context 'Mixed' do
     it 'should use correct default markers for mixed nested lists' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       * l1
        . l2
         ** l3
@@ -918,14 +918,14 @@ describe 'Asciidoctor::PDF::Converter - List' do
           *** l5
            ... l6
       * l1
-      EOS
+      END
 
       (expect pdf.lines).to eql ['• l1', '1. l2', '▪ l3', 'a. l4', '▪ l5', 'i. l6', '• l1']
     end
 
     # NOTE: expand this test as necessary to cover the various permutations
     it 'should not insert excess space between nested lists or list items with block content', visual: true do
-      to_file = to_pdf_file <<~'EOS', 'list-complex-nested.pdf'
+      to_file = to_pdf_file <<~'END', 'list-complex-nested.pdf'
       * list item
        . first
       +
@@ -940,7 +940,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       attached paragraph
 
       * list item
-      EOS
+      END
 
       (expect to_file).to visually_match 'list-complex-nested.pdf'
     end
@@ -948,7 +948,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
   context 'Description' do
     it 'should keep term with primary text' do
-      pdf = to_pdf <<~EOS, analyze: true
+      pdf = to_pdf <<~END, analyze: true
       :pdf-page-size: 52mm x 80mm
       :pdf-page-margin: 0
 
@@ -958,7 +958,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
       term::
       desc
-      EOS
+      END
 
       term_text = pdf.find_unique_text 'term'
       (expect term_text[:page_number]).to be 2
@@ -967,7 +967,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should keep all terms with primary text' do
-      pdf = to_pdf <<~EOS, analyze: true
+      pdf = to_pdf <<~END, analyze: true
       :pdf-page-size: 52mm x 87.5mm
       :pdf-page-margin: 0
 
@@ -978,7 +978,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       term 1::
       term 2::
       desc
-      EOS
+      END
 
       term1_text = pdf.find_unique_text 'term 1'
       (expect term1_text[:page_number]).to be 2
@@ -1011,11 +1011,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should allow theme to control line height of term' do
-      input = <<~'EOS'
+      input = <<~'END'
       first term::
       second term::
       description
-      EOS
+      END
 
       pdf = to_pdf input, analyze: true
 
@@ -1030,7 +1030,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should support complex content', visual: true do
-      to_file = to_pdf_file <<~'EOS', 'list-complex-dlist.pdf'
+      to_file = to_pdf_file <<~'END', 'list-complex-dlist.pdf'
       term::
       desc
       +
@@ -1040,14 +1040,14 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
       yin::
       yang
-      EOS
+      END
 
       (expect to_file).to visually_match 'list-complex-dlist.pdf'
     end
 
     it 'should put margin below description when item has an attached block' do
       pdf_theme = { base_line_height: 1, sidebar_background_color: 'transparent' }
-      input = <<~'EOS'
+      input = <<~'END'
       term:: desc
       +
       ****
@@ -1057,7 +1057,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ****
       after
       ****
-      EOS
+      END
 
       pdf = to_pdf input, pdf_theme: pdf_theme, analyze: true
       horizontal_lines = (to_pdf input, pdf_theme: pdf_theme, analyze: :line).lines
@@ -1068,11 +1068,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should use narrow spacing around lineal list' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { extends: 'base', base_line_height: 1 }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { extends: 'base', base_line_height: 1 }, analyze: true
       yin::
       * foobar
       yang::
-      EOS
+      END
 
       spacing_above = (pdf.find_unique_text %r/^yin/)[:y] - (pdf.find_unique_text 'foobar').yield_self {|it| it[:y] + it[:font_size] }
       spacing_below = (pdf.find_unique_text 'foobar')[:y] - (pdf.find_unique_text 'yang').yield_self {|it| it[:y] + it[:font_size] }
@@ -1081,12 +1081,12 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should put margin below description when item has a single nested list' do
-      input = <<~'EOS'
+      input = <<~'END'
       term:: desc
       * nested item
 
       after
-      EOS
+      END
 
       pdf = to_pdf input, pdf_theme: { base_line_height: 1 }, analyze: true
       desc_text = pdf.find_unique_text 'desc'
@@ -1099,10 +1099,10 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should support last item with no description' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       yin:: yang
       foo::
-      EOS
+      END
 
       (expect pdf.lines).to eql %w(yin yang foo)
       (expect pdf.find_text 'foo').not_to be_empty
@@ -1112,7 +1112,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should apply correct margin to last item with no description' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [cols=2*a]
       |===
       |
@@ -1124,7 +1124,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       |
       term:: desc
       |===
-      EOS
+      END
 
       after_text = pdf.find_unique_text 'after'
       desc_text = pdf.find_unique_text 'desc'
@@ -1135,10 +1135,10 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
     context 'Horizontal' do
       it 'should not modify original document model during conversion' do
-        doc = Asciidoctor.load <<~'EOS', backend: 'pdf'
+        doc = Asciidoctor.load <<~'END', backend: 'pdf'
         [horizontal]
         foo:: bar
-        EOS
+        END
 
         original_dlist = doc.blocks[0]
         original_term, original_desc = (original_item = (original_items = original_dlist.items)[0])
@@ -1153,11 +1153,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should arrange horizontal list in two columns' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [horizontal]
         foo:: bar
         yin:: yang
-        EOS
+        END
 
         foo_text = pdf.find_unique_text 'foo'
         bar_text = pdf.find_unique_text 'bar'
@@ -1171,10 +1171,10 @@ describe 'Asciidoctor::PDF::Converter - List' do
           description_list_term_font_color: 'AA0000',
           description_list_term_text_transform: 'uppercase',
         }
-        pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+        pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
         [horizontal]
         term:: desc
-        EOS
+        END
 
         term_text = pdf.find_unique_text 'TERM'
         (expect term_text[:font_name]).to eql 'NotoSerif-Italic'
@@ -1182,12 +1182,12 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should allow theme to control line height of term' do
-        input = <<~'EOS'
+        input = <<~'END'
         [horizontal]
         first term::
         second term::
         description
-        EOS
+        END
 
         pdf = to_pdf input, analyze: true
 
@@ -1202,12 +1202,12 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should include title above horizontal list' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         .Balance
         [horizontal]
         foo:: bar
         yin:: yang
-        EOS
+        END
 
         title_text = pdf.find_text 'Balance'
         (expect title_text).to have_size 1
@@ -1218,10 +1218,10 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should inherit term font styles from theme' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [horizontal]
         __f__oo:: bar
-        EOS
+        END
 
         text = pdf.text
         (expect text).to have_size 3
@@ -1232,10 +1232,10 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should apply inline formatted to term even if font style is set to normal by theme' do
-        pdf = to_pdf <<~'EOS', pdf_theme: { description_list_term_font_style: 'normal' }, analyze: true
+        pdf = to_pdf <<~'END', pdf_theme: { description_list_term_font_style: 'normal' }, analyze: true
         [horizontal]
         **f**oo:: bar
-        EOS
+        END
 
         text = pdf.text
         (expect text).to have_size 3
@@ -1246,11 +1246,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should support item with no desc' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [horizontal]
         yin:: yang
         foo::
-        EOS
+        END
 
         (expect pdf.find_text 'foo').not_to be_empty
         yin_text = pdf.find_unique_text 'yin'
@@ -1259,14 +1259,14 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should support item with only blocks' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [horizontal]
         yin::
         +
         yang
 
         foo:: bar
-        EOS
+        END
 
         (expect pdf.lines).to eql ['yin yang', 'foo bar']
         yin_text = pdf.find_unique_text 'yin'
@@ -1277,13 +1277,13 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should support multiple terms in horizontal list' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [horizontal]
         foo::
         bar::
         baz::
         desc
-        EOS
+        END
 
         (expect pdf.find_text 'foo').not_to be_empty
         (expect pdf.find_text 'bar').not_to be_empty
@@ -1295,14 +1295,14 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should align term to top when description spans multiple lines' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [horizontal]
         foo::
         desc +
         _more desc_
         +
         even more desc
-        EOS
+        END
 
         (expect pdf.find_text 'foo').not_to be_empty
         (expect pdf.find_text 'desc').not_to be_empty
@@ -1314,25 +1314,25 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should not break term that does not extend past the midpoint of the page' do
-        pdf = to_pdf <<~EOS, analyze: true
+        pdf = to_pdf <<~END, analyze: true
         [horizontal]
         handoverallthekeystoyourkingdom:: #{(['submit'] * 50).join ' '}
-        EOS
+        END
 
         (expect pdf.lines[0]).to start_with 'handoverallthekeystoyourkingdom submit submit'
       end
 
       it 'should break term that extends past the midpoint of the page' do
-        pdf = to_pdf <<~EOS, analyze: true
+        pdf = to_pdf <<~END, analyze: true
         [horizontal]
         handoverallthekeystoyourkingdomtomenow:: #{(['submit'] * 50).join ' '}
-        EOS
+        END
 
         (expect pdf.lines[0]).not_to start_with 'handoverallthekeystoyourkingdomtomenow'
       end
 
       it 'should support complex content in horizontal list', visual: true do
-        to_file = to_pdf_file <<~'EOS', 'list-horizontal-dlist.pdf'
+        to_file = to_pdf_file <<~'END', 'list-horizontal-dlist.pdf'
         [horizontal]
         term::
         desc
@@ -1343,14 +1343,14 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
         yin::
         yang
-        EOS
+        END
 
         (expect to_file).to visually_match 'list-horizontal-dlist.pdf'
       end
 
       it 'should correctly compute height of attached delimited block inside dlist at page top' do
         pdf_theme = { sidebar_background_color: 'transparent' }
-        input = <<~'EOS'
+        input = <<~'END'
         [horizontal]
         first term::
         +
@@ -1361,7 +1361,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
         ****
         sidebar outside list
         ****
-        EOS
+        END
 
         horizontal_lines = (to_pdf input, pdf_theme: pdf_theme, analyze: :line).lines
           .select {|it| it[:from][:y] == it[:to][:y] }.sort_by {|it| -it[:from][:y] }
@@ -1373,7 +1373,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
       it 'should correctly compute height of attached delimited block inside dlist below page top' do
         pdf_theme = { sidebar_background_color: 'transparent' }
-        input = <<~'EOS'
+        input = <<~'END'
         ****
         sidebar outside list
         ****
@@ -1384,7 +1384,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
         ****
         sidebar inside list
         ****
-        EOS
+        END
 
         horizontal_lines = (to_pdf input, pdf_theme: pdf_theme, analyze: :line).lines
           .select {|it| it[:from][:y] == it[:to][:y] }.sort_by {|it| -it[:from][:y] }
@@ -1396,7 +1396,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
       it 'should leave correct spacing after last attached block' do
         pdf_theme = { sidebar_background_color: 'transparent' }
-        input = <<~'EOS'
+        input = <<~'END'
         [horizontal]
         first term::
         +
@@ -1413,7 +1413,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
         ****
         sidebar outside list
         ****
-        EOS
+        END
 
         horizontal_lines = (to_pdf input, pdf_theme: pdf_theme, analyze: :line).lines
           .select {|it| it[:from][:y] == it[:to][:y] }.sort_by {|it| -it[:from][:y] }
@@ -1426,7 +1426,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
       it 'should convert horizontal dlist inside AsciiDoc table cell and not add bottom margin' do
         pdf_theme = { sidebar_background_color: 'transparent' }
-        input = <<~'EOS'
+        input = <<~'END'
         [frame=ends,grid=none]
         |===
         a|
@@ -1437,7 +1437,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
         sidebar for term
         ****
         |===
-        EOS
+        END
 
         horizontal_lines = (to_pdf input, pdf_theme: pdf_theme, analyze: :line).lines
           .select {|it| it[:from][:y] == it[:to][:y] }.sort_by {|it| -it[:from][:y] }
@@ -1447,7 +1447,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should apply correct margin to last item with no description' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [cols=2*a]
         |===
         |
@@ -1463,7 +1463,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
         []
         after horizontal
         |===
-        EOS
+        END
 
         term_texts = pdf.find_text 'term'
         (expect term_texts).to have_size 2
@@ -1474,7 +1474,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should use prose margin around dlist nested in regular list' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [cols=2*a]
         |===
         |
@@ -1492,7 +1492,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
         second list item
         |===
-        EOS
+        END
 
         ['list item', 'term', 'second list item'].each do |string|
           texts = pdf.find_text string
@@ -1504,7 +1504,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
     context 'Unordered' do
       it 'should layout unordered description list like an unordered list with subject in bold' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [unordered]
         item a:: about item a
         +
@@ -1516,7 +1516,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
         item c::
         +
         details about item c
-        EOS
+        END
 
         (expect pdf.lines).to eql [
           '• item a: about item a',
@@ -1531,7 +1531,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should allow subject stop to be customized using subject-stop attribute' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [unordered,subject-stop=.]
         item a:: about item a
         +
@@ -1539,13 +1539,13 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
         item b::
         about item b
-        EOS
+        END
 
         (expect pdf.lines).to eql ['• item a. about item a', 'more about item a', '• item b. about item b']
       end
 
       it 'should not add subject stop if subject ends with stop punctuation' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [unordered,subject-stop=.]
         item a.:: about item a
         +
@@ -1556,23 +1556,23 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
         well?::
         yes
-        EOS
+        END
 
         (expect pdf.lines).to eql ['• item a. about item a', 'more about item a', '• item b: about item b', '• well? yes']
       end
 
       it 'should add subject stop if subject ends with character reference' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [unordered]
         &:: ampersand
         >:: greater than
-        EOS
+        END
 
         (expect pdf.lines).to eql ['• &: ampersand', '• >: greater than']
       end
 
       it 'should stack subject on top of text if stack role is present' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [unordered.stack]
         item a:: about item a
         +
@@ -1580,17 +1580,17 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
         item b::
         about item b
-        EOS
+        END
 
         (expect pdf.lines).to eql ['• item a', 'about item a', 'more about item a', '• item b', 'about item b']
       end
 
       it 'should support item with no desc' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [unordered]
         yin:: yang
         foo::
-        EOS
+        END
 
         (expect pdf.find_text 'foo').not_to be_empty
         yin_text = pdf.find_unique_text 'yin:'
@@ -1601,7 +1601,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
     context 'Ordered' do
       it 'should layout ordered description list like an ordered list with subject in bold' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [ordered]
         item a:: about item a
         +
@@ -1613,7 +1613,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
         item c::
         +
         details about item c
-        EOS
+        END
 
         (expect pdf.lines).to eql [
           '1. item a: about item a',
@@ -1628,7 +1628,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       end
 
       it 'should allow subject stop to be customized using subject-stop attribute' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [ordered,subject-stop=.]
         item a:: about item a
         +
@@ -1636,13 +1636,13 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
         item b::
         about item b
-        EOS
+        END
 
         (expect pdf.lines).to eql ['1. item a. about item a', 'more about item a', '2. item b. about item b']
       end
 
       it 'should not add subject stop if subject ends with stop punctuation' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [ordered,subject-stop=.]
         item a.:: about item a
         +
@@ -1653,23 +1653,23 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
         well?::
         yes
-        EOS
+        END
 
         (expect pdf.lines).to eql ['1. item a. about item a', 'more about item a', '2. item b: about item b', '3. well? yes']
       end
 
       it 'should add subject stop if subject ends with character reference' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [ordered]
         &:: ampersand
         >:: greater than
-        EOS
+        END
 
         (expect pdf.lines).to eql ['1. &: ampersand', '2. >: greater than']
       end
 
       it 'should stack subject on top of text if stack role is present' do
-        pdf = to_pdf <<~'EOS', analyze: true
+        pdf = to_pdf <<~'END', analyze: true
         [ordered.stack]
         item a:: about item a
         +
@@ -1677,7 +1677,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
         item b::
         about item b
-        EOS
+        END
 
         (expect pdf.lines).to eql ['1. item a', 'about item a', 'more about item a', '2. item b', 'about item b']
       end
@@ -1686,14 +1686,14 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
   context 'Q & A' do
     it 'should convert qanda to ordered list' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [qanda]
       What is Asciidoctor?::
       An implementation of the AsciiDoc processor in Ruby.
 
       What is the answer to the Ultimate Question?::
       42
-      EOS
+      END
       (expect pdf.strings).to eql [
         '1.',
         'What is Asciidoctor?',
@@ -1705,20 +1705,20 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should layout Q & A list like a description list with questions in italic', visual: true do
-      to_file = to_pdf_file <<~'EOS', 'list-qanda.pdf'
+      to_file = to_pdf_file <<~'END', 'list-qanda.pdf'
       [qanda]
       What's the answer to the ultimate question?:: 42
 
       Do you have an opinion?::
       Would you like to share it?::
       Yes and no.
-      EOS
+      END
 
       (expect to_file).to visually_match 'list-qanda.pdf'
     end
 
     it 'should convert question with only block answer in Q & A list' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [qanda]
       Ultimate Question::
       +
@@ -1729,7 +1729,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
       Only at the end will you come to understand that the answer is 42.
       --
-      EOS
+      END
 
       (expect pdf.lines).to eql ['1. Ultimate Question', 'How much time do you have?', 'You must embark on a journey.', 'Only at the end will you come to understand that the answer is 42.']
       unanswerable_q_text = pdf.find_unique_text 'Ultimate Question'
@@ -1741,11 +1741,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should convert question with no answer in Q & A list' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       [qanda]
       Question:: Answer
       Unanswerable Question::
-      EOS
+      END
 
       unanswerable_q_text = pdf.find_unique_text 'Unanswerable Question'
       (expect pdf.lines).to eql ['1. Question', 'Answer', '2. Unanswerable Question']
@@ -1755,7 +1755,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
   context 'Callout' do
     it 'should use callout numbers as list markers and in referenced block' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       ....
       line one <1>
       line two
@@ -1763,7 +1763,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ....
       <1> First line
       <2> Last line
-      EOS
+      END
 
       one_text = pdf.find_text ?\u2460
       two_text = pdf.find_text ?\u2461
@@ -1777,7 +1777,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should use consistent line height even if list item is entirely monospace' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       ....
       line one <1>
       line two <2>
@@ -1786,7 +1786,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       <1> describe one
       <2> `describe two`
       <3> describe three
-      EOS
+      END
 
       mark_texts = [(pdf.find_text ?\u2460)[-1], (pdf.find_text ?\u2461)[-1], (pdf.find_text ?\u2462)[-1]]
       (expect mark_texts).to have_size 3
@@ -1797,7 +1797,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
     it 'should only separate colist and listing or literal block by list_item_spacing value' do
       %w(---- ....).each do |block_delim|
-        input = <<~EOS
+        input = <<~END
         #{block_delim}
         line one <1>
         line two
@@ -1805,7 +1805,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
         #{block_delim}
         <1> First line
         <2> Last line
-        EOS
+        END
 
         pdf = to_pdf input, analyze: :line
         bottom_line_y = pdf.lines[2][:from][:y]
@@ -1822,7 +1822,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should allow theme to control top margin of callout lists that immediately follows a code block', visual: true do
-      input = <<~'EOS'
+      input = <<~'END'
       ----
       line one <1>
       line two
@@ -1830,7 +1830,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ----
       <1> First line
       <2> Last line
-      EOS
+      END
 
       pdf_theme = { callout_list_margin_top_after_code: 0 }
 
@@ -1854,17 +1854,17 @@ describe 'Asciidoctor::PDF::Converter - List' do
         sidebar_background_color: 'transparent',
       }
 
-      ref_input = <<~'EOS'
+      ref_input = <<~'END'
       ****
       . describe first line
       ****
-      EOS
+      END
 
       ref_top_line_y = (to_pdf ref_input, pdf_theme: pdf_theme, analyze: :line).lines.map {|it| it[:from][:y] }.max
       ref_text_top = (to_pdf ref_input, pdf_theme: pdf_theme, analyze: true).text[0].yield_self {|it| it[:y] + it[:font_size] }
       expected_top_padding = ref_top_line_y - ref_text_top
 
-      input = <<~'EOS'
+      input = <<~'END'
       ----
       line 1 <1>
       line 2 <2>
@@ -1878,7 +1878,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       code
       ----
       ****
-      EOS
+      END
 
       lines = (to_pdf input, pdf_theme: pdf_theme, analyze: :line).lines
       pdf = to_pdf input, pdf_theme: pdf_theme, analyze: true
@@ -1897,7 +1897,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
         conum_font_size: nil,
       }
 
-      pdf = to_pdf <<~'EOS', pdf_theme: pdf_theme, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: pdf_theme, analyze: true
       ----
       site:
         url: https://docs.example.org # <1>
@@ -1905,7 +1905,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ----
       <1> The base URL where the site is published.
       <2> Allow search engines to crawl the site.
-      EOS
+      END
 
       conum_1_text = pdf.find_text ?\u2460
       (expect conum_1_text).to have_size 2
@@ -1922,7 +1922,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should not move cursor if callout list appears at top of page' do
-      pdf = to_pdf <<~EOS, analyze: true
+      pdf = to_pdf <<~END, analyze: true
       key-value pair
 
       ----
@@ -1931,7 +1931,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       #{(['- item'] * 46).join ?\n}
       ----
       <1> key-value pair
-      EOS
+      END
 
       key_val_texts = pdf.find_text 'key-value pair'
       (expect key_val_texts).to have_size 2
@@ -1941,7 +1941,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should not collapse top margin if previous block is not a verbatim block' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       before
 
       ----
@@ -1951,11 +1951,11 @@ describe 'Asciidoctor::PDF::Converter - List' do
       '''
 
       key-value pair
-      EOS
+      END
 
       reference_y = (pdf.find_unique_text 'key-value pair')[:y]
 
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       before
 
       ----
@@ -1965,14 +1965,14 @@ describe 'Asciidoctor::PDF::Converter - List' do
       '''
 
       <1> key-value pair
-      EOS
+      END
 
       actual_y = (pdf.find_unique_text 'key-value pair')[:y]
       (expect actual_y).to eql reference_y
     end
 
     it 'should allow conum font color to be customized by theme' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { conum_font_color: '0000ff' }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { conum_font_color: '0000ff' }, analyze: true
       ....
       line one <1>
       line two
@@ -1980,7 +1980,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ....
       <1> First line
       <2> Last line
-      EOS
+      END
 
       one_text = pdf.find_text ?\u2460
       (expect one_text).to have_size 2
@@ -1991,7 +1991,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should allow conum font size and line height in colist to be customized by theme' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { conum_font_size: 8, conum_line_height: 1.8 }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { conum_font_size: 8, conum_line_height: 1.8 }, analyze: true
       ....
       line one <1>
       line two
@@ -1999,7 +1999,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ....
       <1> First line
       <2> Last line
-      EOS
+      END
 
       one_text = pdf.find_text ?\u2460
       (expect one_text).to have_size 2
@@ -2011,7 +2011,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should support filled conum glyphs if specified in theme' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { conum_glyphs: 'filled' }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { conum_glyphs: 'filled' }, analyze: true
       ....
       line one <1>
       line two
@@ -2019,7 +2019,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ....
       <1> First line
       <2> Last line
-      EOS
+      END
 
       one_text = pdf.find_text ?\u2776
       two_text = pdf.find_text ?\u2777
@@ -2032,7 +2032,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should allow conum glyphs to be specified explicitly using numeric range' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { conum_glyphs: '1-20' }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { conum_glyphs: '1-20' }, analyze: true
       ....
       line one <1>
       line two
@@ -2040,14 +2040,14 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ....
       <1> First line
       <2> Last line
-      EOS
+      END
 
       one_text = pdf.find_text '1'
       (expect one_text).to have_size 2
     end
 
     it 'should allow conum glyphs to be specified explicitly using unicode range' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { conum_glyphs: '\u0031-\u0039' }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { conum_glyphs: '\u0031-\u0039' }, analyze: true
       ....
       line one <1>
       line two
@@ -2055,7 +2055,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ....
       <1> First line
       <2> Last line
-      EOS
+      END
 
       one_text = pdf.find_text '1'
       (expect one_text).to have_size 2
@@ -2066,7 +2066,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should allow conum glyphs to be specified explicitly using multiple unicode ranges' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { conum_glyphs: '\u2776-\u277a, \u2465-\u2468' }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { conum_glyphs: '\u2776-\u277a, \u2465-\u2468' }, analyze: true
       ----
       1 <1>
       2 <2>
@@ -2087,7 +2087,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       <7> 7
       <8> 8
       <9> 9
-      EOS
+      END
 
       conum_lines = pdf.lines.map {|l| l.delete ' 1-9' }
       (expect conum_lines).to have_size 18
@@ -2095,14 +2095,14 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should allow conum glyphs to be specified as single unicode character' do
-      pdf = to_pdf <<~'EOS', pdf_theme: { conum_glyphs: '\u2776' }, analyze: true
+      pdf = to_pdf <<~'END', pdf_theme: { conum_glyphs: '\u2776' }, analyze: true
       ....
       the one and only line <1>
       no conum here <2>
       ....
       <1> That's all we have time for
       <2> This conum is not supported
-      EOS
+      END
 
       one_text = pdf.find_text ?\u2776
       (expect one_text).to have_size 2
@@ -2116,7 +2116,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should keep list marker with primary text' do
-      pdf = to_pdf <<~EOS, analyze: true
+      pdf = to_pdf <<~END, analyze: true
       :pdf-page-size: 52mm x 72.25mm
       :pdf-page-margin: 0
 
@@ -2126,7 +2126,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
       ....
 
       <1> description
-      EOS
+      END
 
       marker_text = (pdf.find_text ?\u2460)[-1]
       (expect marker_text[:page_number]).to be 2
@@ -2135,37 +2135,37 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should allow text alignment to be set using role', visual: true do
-      to_file = to_pdf_file <<~EOS, 'colist-text-align-left-role.pdf'
+      to_file = to_pdf_file <<~END, 'colist-text-align-left-role.pdf'
       ----
       data <1>
       ----
       [.text-left]
       <1> #{lorem_ipsum '2-sentences-1-paragraph'}
-      EOS
+      END
       (expect to_file).to visually_match 'colist-text-align-left.pdf'
     end
 
     it 'should allow text alignment to be set using theme', visual: true do
-      to_file = to_pdf_file <<~EOS, 'colist-text-align-left-theme.pdf', pdf_theme: { list_text_align: 'left' }
+      to_file = to_pdf_file <<~END, 'colist-text-align-left-theme.pdf', pdf_theme: { list_text_align: 'left' }
       ----
       data <1>
       ----
       <1> #{lorem_ipsum '2-sentences-1-paragraph'}
-      EOS
+      END
       (expect to_file).to visually_match 'colist-text-align-left.pdf'
     end
   end
 
   context 'Bibliography' do
     it 'should reference bibliography entry using ID in square brackets by default' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       The recommended reading includes <<bar>>.
 
       [bibliography]
       == Bibliography
 
       * [[[bar]]] Bar, Foo. All The Things. 2010.
-      EOS
+      END
 
       lines = pdf.lines
 
@@ -2174,14 +2174,14 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should reference bibliography entry using custom reftext square brackets' do
-      pdf = to_pdf <<~'EOS', analyze: true
+      pdf = to_pdf <<~'END', analyze: true
       The recommended reading includes <<bar>>.
 
       [bibliography]
       == Bibliography
 
       * [[[bar,1]]] Bar, Foo. All The Things. 2010.
-      EOS
+      END
 
       lines = pdf.lines
       (expect lines).to include 'The recommended reading includes [1].'
@@ -2189,7 +2189,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
     end
 
     it 'should create bidirectional links between first bibref reference and entry' do
-      pdf = to_pdf <<~'EOS'
+      pdf = to_pdf <<~'END'
       The recommended reading includes <<bar>>.
 
       Did you read <<bar>>?
@@ -2201,7 +2201,7 @@ describe 'Asciidoctor::PDF::Converter - List' do
 
       * [[[bar]]] Bar, Foo. All The Things. 2010.
       * [[[baz]]] Baz. The Rest of the Story. 2020.
-      EOS
+      END
 
       forward_refs = get_annotations pdf, 1
       (expect forward_refs).to have_size 2