lib/review/textutils.rb in review-5.0.0 vs lib/review/textutils.rb in review-5.1.0

@@ -49,10 +49,11 @@
       tail = line1[-1]
       head = line2[0]
       if tail.nil? || head.nil?
         return nil
       end
+
       space = true
       # rule 2
       if %i[F W H].include?(Unicode::Eaw.property(tail)) &&
          %i[F W H].include?(Unicode::Eaw.property(head)) &&
          tail !~ /\p{Hangul}/ && head !~ /\p{Hangul}/
@@ -84,27 +85,18 @@
 
     def join_lines_to_paragraph(lines)
       unless @book.config['join_lines_by_lang']
         return lines.join
       end
+
       lazy = true
       lang = 'ja'
       0.upto(lines.size - 2) do |n|
         if add_space?(lines[n], lines[n + 1], lang, lazy)
           lines[n] += ' '
         end
       end
       lines.join
-    end
-
-    def defer_math_image(str, path, key)
-      # for Re:VIEW >3
-      File.open(File.join(File.dirname(path), "__IMGMATH_BODY__#{key}.tex"), 'w') do |f|
-        f.puts str
-      end
-      File.open(File.join(File.dirname(path), '__IMGMATH_BODY__.map'), 'a+') do |f|
-        f.puts key
-      end
     end
 
     private
 
     # remove elements at the back of `lines` if element is empty string