# File lib/sup/modes/thread-view-mode.rb, line 426
  def jump_to_next_open force_alignment=nil
    return continue_search_in_buffer if in_search? # hack: allow 'n' to apply to both operations
    m = (curpos ... @message_lines.length).argfind { |i| @message_lines[i] }
    return unless m
    while nextm = @layout[m].next
      break if @layout[nextm].state != :closed
      m = nextm
    end
    jump_to_message nextm, force_alignment if nextm
  end