this post was submitted on 06 Jun 2026
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34
Punycode: The algorithm that lets you use unicode in domains - Ian Duncan (www.iankduncan.com)
submitted 1 week ago by lemmydividebyzero@reddthat.com to c/technology@lemmy.world
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Found this interesting... Ever wondered why a domain like xn--bcher-caf-j4a4r looks how it looks and how that notation allows representing unicode characters?

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[–] LodeMike@lemmy.today 7 points 1 week ago* (last edited 1 week ago)

What makes it particularly elegant is that it does this without any shared state between encoder and decoder. The adaptation is purely a deterministic function of the encoded data itself

Also known as the only way such a thing can work...