Jasen Betts wrote in a message to Pascal Schmidt:

 JB> I had an old 95(?)-key XT keyboard where the number pad "5" key
 JB> generated a scancode when numlock was off (most keyboards don't
 JB> generate a scancode in that situation), this scancode would crash
 JB> gwbasic and I'd have to reboot.

They don't?  First I've ever heard of this...

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