MarcA reminder that "For sale: baby shoes, never worn" isn't the shortest horror story ever written, it's actually "Specifies a tri-state Boolean value" written by the esteemed author Microsoft .NET Documentation.
Context: https://learn.microsoft.com/en-us/dotnet/api/microsoft.office.core.msotristate
Note that there are actually 5 values, not three. Also True is -1, and the value that equals 1 isn't supported.
I Can't Believe It's Not Zero!