this post was submitted on 06 Sep 2024
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[–] [email protected] 2 points 2 months ago* (last edited 2 months ago)

because it creates new attack surfaces, new opportunities for bugs, and is very unlikely to accurately deal with all of the edge cases.

Unicode case folding has been a solved problem for a long time. The Unicode standard has rules for which characters should be considered identical, and many libraries exist to handle it (you wouldn't ever code this yourself).