Compiler Error C3851

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'char': a universal-character-name cannot designate a character in the basic character set

For characters in the range of 0x20 to 0x7f, except 0x24 and 0x40, you cannot use a universal character name.

The following samples generate C3851:

// C3851.cpp
int main()
{
   int \u0021 = 0;   // C3851
   int \u0024 = 0;   // OK
}