#!/bin/sed -Ef

/<section id=[0-9]{2}-[0-9]{2}-[0-9]{4}[ >]/ {
	h

	s/.*<section id=([0-9]{2})-([0-9]{2})-([0-9]{4})[ >].*/\1 of \2, \3/

	s/^0//

	/^[^1]?1 / { s| |<sup>st</sup> |; b out }
	/^[^1]?2 / { s| |<sup>nd</sup> |; b out }
	/^[^1]?3 / { s| |<sup>rd</sup> |; b out }
	             s| |<sup>th</sup> |

	:out

	s/of 01/of January/
	s/of 02/of February/
	s/of 03/of March/
	s/of 04/of April/
	s/of 05/of May/
	s/of 06/of June/
	s/of 07/of July/
	s/of 08/of August/
	s/of 09/of September/
	s/of 10/of October/
	s/of 11/of November/
	s/of 12/of December/

	x
}

/<!-- DATE -->/ {
	G
	s/(.*)<!-- DATE -->(.*)\n(.*)/\1\3\2/
}