src/vs/workbench/services/keybinding/common/windowsKeyboardMapper.ts/WindowsNativeResolvedKeybinding/getProducedChar
class WindowsNativeResolvedKeybinding:	public static getProducedChar(kb: ScanCodeBinding, mapping: IScanCodeMapping): string {
		const char = this.getProducedCharCode(kb, mapping);
		if (char === null || char.length === 0) {
			return ' --- ';
		}
		return '  ' + char + '  ';
	}