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by campital 1586 days ago
This reminds me of Manning liveBook's obfuscation strategy [0]. It scrambles the letters to keep the majority of the specific details obfuscated while somewhat revealing the gist (word length, acronyms, anagrams, code segments) presumably to encourage sales and discourage piracy.

[0] Ex. https://livebook.manning.com/book/programming-the-ti-83-plus...