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Compiler Warning (level 1) C4539

Error Message

'char': a universal-character-name specifies an invalid character

A character was specified out of Unicode range.

The character must be in the Unicode range, or be a valid surropate pair.

Example

The following sample generates C4539

// C4539.cpp
// compile with: /W1
int main() {
   char \U12345678 = 'x';   // C4539
   char \u2134 = 'x';   // OK 16-bit Unicode char
   char \UD808DF45 = 'x';   // OK 32-bit Unicode value
}

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