syntax highlighting

Would be nice to have it in this example.

---

Document Details

⚠ Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.

• ID: c2829be7-666e-55dd-42ce-15ea909295e5
• Version Independent ID: 583d0ccd-fddf-7109-3d73-70bf661d95ea
• Content: How to: Catch a non-CLS Exception
• Content Source: docs/csharp/programming-guide/exceptions/how-to-catch-a-non-cls-exception.md
• Product: dotnet-csharp
• GitHub Login: @BillWagner
• Microsoft Alias: wiwagn