Maybe you intended to reply to my comment's parent? I don't necessarily disagree.
But also, according to the Ars article comment describing the Unicode character range, it has been deprecated, so maybe someone involved in the Unicode standard saw problems with it.
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“Everyone knew” that in-band signaling was an awful, horribly insecure idea… until we found magic math that couldn’t “think” any other way.
I don’t think it’s reasonable to blame the Unicode authors for not anticipating this turn of events.
Maybe you intended to reply to my comment's parent? I don't necessarily disagree.
But also, according to the Ars article comment describing the Unicode character range, it has been deprecated, so maybe someone involved in the Unicode standard saw problems with it.