# File lib/sup/modes/reply-mode.rb, line 193
  def handle_new_text new_header, new_body
    old_header = @headers[@type_selector.val]
    if new_header.size != old_header.size || old_header.any? { |k, v| new_header[k] != v }
      @type_selector.set_to :user
      self.header = @headers[:user] = new_header
      update
    end
  end