Non-ascii country code in extrainfo descriptor

Hi, starting recently (fifteen hours ago) torzurwelt started publishing extrainfo descriptors with a non-ascii country code in its dirreq-v3-reqs lines...

extra-info torzurwelt EA63329F9E4DC3C7366BC9244AA92B61F9BE77B1
published 2015-08-19 05:50:58
...
geoip-db-digest C1EB5237F2FBAF63381D8551157F13D12EFCCA25
geoip6-db-digest 1F99B6B0EC78E9DB34D61AE7E0FC261D558E8E5D
dirreq-stats-end 2015-08-18 18:17:14 (86400 s)
dirreq-v3-ips de=16,it=16,us=16,??=8,ar=8,at=8,au=8,be=8,bg=8,br=8,ch=8,cz=8,es=8,fr=8,gb=8,ie=8,in=8,ir=8,jp=8,lt=8,ma=8,nl=8,pe=8,pl=8,pt=8,re=8,ro=8,ru=8,sa=8,tn=8,tt=8,tw=8,uy=8,ve=8
dirreq-v3-reqs ñÏ=32,de=16,it=16,us=16,??=8,ar=8,at=8,au=8,be=8,bg=8,br=8,ch=8,cz=8,es=8,fr=8,gb=8,ie=8,in=8,ir=8,jp=8,lt=8,ma=8,nl=8,pe=8,pl=8,pt=8,re=8,ro=8,ru=8,sa=8,tn=8,tt=8,tw=8,uy=8,ve=8
dirreq-v3-resp ok=104,not-enough-sigs=0,unavailable=0,not-found=0,not-modified=24,busy=8
dirreq-v3-direct-dl complete=0,timeout=0,running=0

Not sure how these are slipping in but pretty sure the authorities should reject these as malformed.