elseif line.data:match('\u{250c}') then

      elseif line.data:match('%[ u250c') then

        local section_name = line.data:match('\u{250c}%s*(.*)')

        local section_name = line.data:match('u250c%s*(.*)')

      elseif line.data:match('\u{2518}') then
        local section_name = line.data:match('\u{2518}%s*(.*)')

      elseif line.data:match('%] u2518') then
        local section_name = line.data:match('] u2518%s*(.*)')

	log(stack_frame_index, '\u{250c} ' .. name)

	-- I'd like to use the unicode character \u{250c} here, but it doesn't work
	-- in OpenBSD.
	log(stack_frame_index, '[ u250c ' .. name)

	log(stack_frame_index, '\u{2518} ' .. name)

	-- I'd like to use the unicode character \u{2518} here, but it doesn't work
	-- in OpenBSD.
	log(stack_frame_index, '] u2518 ' .. name)