(macOS) Can't view 'BS' in vscode

[yzlnew]

Maybe due to the default Chinese input method, I'm keep tying 'BS' (0x08 in ASCII) in vscode, which is annoying but I can't view.

In vscode:

In Sublime Text:

[bobbrow]

This doesn't look like a C++ issue. Am I missing something?
Can you file an issue for vscode? https://github.com/Microsoft/vscode/issues

[yzlnew]

Sorry, I just posted on the wrong page.
Thanks anyway.