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Replying to @tannewt, @hassankanj, @LambaLabs, @adafruit, @AlaaSal91787251 and @this_marwan

Unicode bidirectional algorithm is interesting! Basically, characters in languages like Arabic force a direction change to be laid out right-to-left, whereas left-to-right languages like English force a change to LTR layout. And some characters, like spaces, can go either way.

(original)