MAP and AREA have been around since the 90's, but METER/PROGRESS? I never noticed those sneak into HTML. I've been using Bootstrap for ages. Cool. SUP and SUB

MAP and AREA have been around since the 90's, but METER/PROGRESS? I never noticed those sneak into HTML. I've been using Bootstrap for ages. Cool. SUP and SUB I find don't work very well with glyphs, but work fine with standard Latin characters.