replace unicode_char method with direct unicode sequences

- write unicode char as %(\uXXXX) instead of unicode_char method
- add example of checklist to chronicles

5 files changed, 22 insertions, 20 deletions

diff --git a/examples/chronicles-example.adoc b/examples/chronicles-example.adoc
index 503f3fe5..455edfc7 100644
--- a/examples/chronicles-example.adoc
+++ b/examples/chronicles-example.adoc
@@ -107,13 +107,19 @@ This potion for a sample document contains the following ingredients, which are
 **** two fresh Burdockian leaves
 ***** They must be harvested by the light of the teal moons.
 
-Got square?
+Are you square?
 
 [square]
 * one
 * two
 * three
 
+TODO?
+
+* [x] Done
+* [ ] Next
+* Who's counting?
+
 ==== Searching for Burdockian
 
 .Steps for finding and preparing Burdockian leaves
diff --git a/examples/chronicles-example.pdf b/examples/chronicles-example.pdf
index 366c3f71..abab9c50 100644
--- a/examples/chronicles-example.pdf
+++ b/examples/chronicles-example.pdf
diff --git a/lib/asciidoctor-pdf/converter.rb b/lib/asciidoctor-pdf/converter.rb
index a721cf9b..b6843a7f 100644
--- a/lib/asciidoctor-pdf/converter.rb
+++ b/lib/asciidoctor-pdf/converter.rb
@@ -27,10 +27,6 @@ class Converter < ::Prawn::Document
 
   register_for 'pdf'
 
-  def self.unicode_char number
-    [number].pack 'U*'
-  end
-
   # NOTE require_library doesn't support require_relative and we don't modify the load path for this gem
   CodeRayRequirePath = ::File.join (::File.dirname __FILE__), 'prawn_ext/coderay_encoder'
   RougeRequirePath = ::File.join (::File.dirname __FILE__), 'rouge_ext'
@@ -53,23 +49,23 @@ class Converter < ::Prawn::Document
   GuardedInnerIndent = %(\n\u00a0)
   TabRx = /\t/
   TabIndentRx = /^\t+/
-  NoBreakSpace = unicode_char 0x00a0
-  NarrowSpace = unicode_char 0x2009
-  NarrowNoBreakSpace = unicode_char 0x202f
-  ZeroWidthSpace = unicode_char 0x200b
-  HairSpace = unicode_char 0x200a
+  NoBreakSpace = %(\u00a0)
+  NarrowSpace = %(\u2009)
+  NarrowNoBreakSpace = %(\u202f)
+  ZeroWidthSpace = %(\u200b)
+  HairSpace = %(\u200a)
   DotLeaderDefault = '. '
-  EmDash = unicode_char 0x2014
-  LowercaseGreekA = unicode_char 0x03b1
+  EmDash = %(\u2014)
+  LowercaseGreekA = %(\u03b1)
   Bullets = {
-    disc: (unicode_char 0x2022),
-    circle: (unicode_char 0x25e6),
-    square: (unicode_char 0x25aa)
+    disc: %(\u2022),
+    circle: %(\u25e6),
+    square: %(\u25aa)
   }
   # NOTE Default theme font uses ballot boxes from FontAwesome
   BallotBox = {
-    checked: (unicode_char 0x2611),
-    unchecked: (unicode_char 0x2610)
+    checked: %(\u2611),
+    unchecked: %(\u2610)
   }
   IconSets = ['fa', 'fi', 'octicon', 'pf'].to_set
   MeasurementRxt = '\\d+(?:\\.\\d+)?(?:in|cm|mm|pt|)'
diff --git a/lib/asciidoctor-pdf/formatted_text/inline_image_arranger.rb b/lib/asciidoctor-pdf/formatted_text/inline_image_arranger.rb
index 3112ab7e..b2e10ebc 100644
--- a/lib/asciidoctor-pdf/formatted_text/inline_image_arranger.rb
+++ b/lib/asciidoctor-pdf/formatted_text/inline_image_arranger.rb
@@ -1,6 +1,6 @@
 module Asciidoctor::Pdf::FormattedText
 module InlineImageArranger
-  #ImagePlaceholderChar = [0x00a0].pack 'U*'
+  #ImagePlaceholderChar = %(\u00a0)
   ImagePlaceholderChar = '.'
   begin
     require 'thread_safe' unless defined? ::ThreadSafe
diff --git a/lib/asciidoctor-pdf/formatted_text/transform.rb b/lib/asciidoctor-pdf/formatted_text/transform.rb
index 8992636f..193bc0df 100644
--- a/lib/asciidoctor-pdf/formatted_text/transform.rb
+++ b/lib/asciidoctor-pdf/formatted_text/transform.rb
@@ -10,7 +10,7 @@ class Transform
     :quot => '"',
     :apos => '\''
   }
-  #ZeroWidthSpace = [0x200b].pack 'U*'
+  #ZeroWidthSpace = %(\u200b)
 
   def initialize(options = {})
     @merge_adjacent_text_nodes = options[:merge_adjacent_text_nodes]
@@ -105,7 +105,7 @@ class Transform
         if (name = node[:name])
           text = NamedEntityTable[name]
         else
-          # NOTE AFM fonts do not include a thin space glyph; set fallback_fonts to allow glyph to be resolved
+          # FIXME AFM fonts do not include a thin space glyph; set fallback_fonts to allow glyph to be resolved
           text = [node[:number]].pack('U*')
         end
         # NOTE the remaining logic is shared with :text