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>Those are the guys that don't let you use special chars in passwords "in order to prevent unintentional wrong password entries".

is that really an issue? using all the special characters (assuming uniform distribution) gives you ~33% more entropy[1] for the same amount of characters, at the expense of increased input time (especially on touch keyboards) and being much harder to remember. why not just make your passwords 33% longer instead?

[1] according to https://en.wikipedia.org/wiki/Ascii85



my concern here is less on the password effectiveness, and more on the underlying whys




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