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This is, to my knowledge, the first published per-font danger rate analysis for Unicode confusables. It suggests that font choice is a meaningful variable in confusable risk, one that confusables.txt does not account for.
，这一点在91视频中也有详细论述
Equal (1): Everything in this space must be equal to 1. The answer is 1-1, placed vertically.
we would now call a trivial buffer, the 1260's operator could key in the numbers