Seems to only be happening inside curly braces. Type this character by character:
```
{
break;
}
```
When you type `}`, it inserts what looks like a tab worth of whitespace between `break` and the semicolon:
```
{
break ;
}
```
```
{
break;
}
```
When you type `}`, it inserts what looks like a tab worth of whitespace between `break` and the semicolon:
```
{
break ;
}
```