200	/wg/
404	/wg/nosuchgroup/
200	/wg/tls/
200	/wg/tls/charter/
200	/wg/mobike/ # concluded
200	/wg/mobike/charter/
200	/wg/catnip/ # concluded very long time ago
200	/wg/catnip/charter/ # concluded very long time ago
404	/wg/saag/ # not a WG
404	/wg/saag/charter/ # not a WG

200	/wg/1wg-summary.txt
200	/wg/1wg-summary-by-acronym.txt
301 	/wg/summary.txt
301	/wg/summary-by-area.txt
301	/wg/summary-by-acronym.txt
200,heavy	/wg/1wg-charters.txt
200,heavy	/wg/1wg-charters-by-acronym.txt