Talk:RR. HH.

Why is this RRHH and not RH? --Pious Eterino (talk) 08:04, 17 March 2019 (UTC)

I suppose it's plural, like pp for "pages", ll for "lines", etc. Equinox ◑ 08:18, 17 March 2019 (UTC)

Spanish? or Portuguese? SemperBlotto (talk) 08:24, 17 March 2019 (UTC)