# File lib/sup/modes/edit-message-mode.rb, line 104
  def [] i
    if @selectors.empty?
      @text[i]
    elsif i < @selectors.length
      @selectors[i].line @selector_label_width
    elsif i == @selectors.length
      ""
    else
      @text[i - @selectors.length - DECORATION_LINES]
    end
  end