split_into_flow

# File lib/rdoc/markup/simple_markup/inline.rb, line 285
    def split_into_flow

      display_attributes if $DEBUG

      res = []
      current_attr = 0
      str = ""

      
      str_len = @str.length

      # skip leading invisible text
      i = 0
      i += 1 while i < str_len and @str[i].zero?
      start_pos = i

      # then scan the string, chunking it on attribute changes
      while i < str_len
        new_attr = @attrs[i]
        if new_attr != current_attr
          if i > start_pos
            res << copy_string(start_pos, i)
            start_pos = i
          end

          res << change_attribute(current_attr, new_attr)
          current_attr = new_attr

          if (current_attr & Attribute::SPECIAL) != 0
            i += 1 while i < str_len and (@attrs[i] & Attribute::SPECIAL) != 0
            res << Special.new(current_attr, copy_string(start_pos, i))
            start_pos = i
            next
          end
        end

        # move on, skipping any invisible characters
        begin
          i += 1
        end while i < str_len and @str[i].zero?
      end
      
      # tidy up trailing text
      if start_pos < str_len
        res << copy_string(start_pos, str_len)
      end

      # and reset to all attributes off
      res << change_attribute(current_attr, 0) if current_attr != 0

      return res
    end