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Add example for C2018 #4731

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Sep 28, 2023
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Add example for C2018 #4731

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18 changes: 18 additions & 0 deletions docs/error-messages/compiler-errors-1/compiler-error-c2018.md
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Expand Up @@ -11,3 +11,21 @@ ms.assetid: 86b54573-dca0-4446-be1a-e3ac489c073b
unknown character 'hexnumber'

The source file contains an unexpected ASCII character, which is identified by its hex number. To resolve the error, remove the character.

The following sample generates C2018:

```cpp
// C2018.cpp
int main() {
@ // C2018
}
```

Possible resolution:

```cpp
// C2018b.cpp
int main() {

}
```