You're right, mirroring for RTL, and vertical presentation may avoid creating 4 characters, only one would then be needed: HALF-BLACK WHITE STAR ...
2016-06-23 23:34 GMT+02:00 Garth Wallace <[email protected]>: > On Thu, Jun 23, 2016 at 12:53 PM, Ken Shirriff <[email protected]> > wrote: > >> Half-stars are used all over the place for reviews and many people have >> expressed interest in a Unicode half star. I propose two new Unicode >> characters: half a BLACK STAR (★) and a half-filled WHITE STAR (☆), i.e. a >> half star without and with an outline. What do you think? Is there any >> reason Unicode doesn't have a half star? >> >> Ken >> > > Ratings are usually sequences of stars, with any half star coming at the > end, like ★★★(half), AIUI, so it's usually the left side that's black. > But what about in right-to-left contexts? Would they be bidi-mirrored? >

