[fpc-pascal] Readln a password

[geneb]

On Sun, 27 Nov 2016, Adriaan van Os wrote:

> I wonder what the recommended way is to readln a password from console, as a 
> standard Readln echoes the password.
>
Readln is wholly unsuited to the task.  You're better off writing a 
routine that gets input one character at a time.

g.

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