underscores in nametags

```
Any way to allow underscores in nametags?

char bob nt=Bob_Samuels -> "Bob Samuels"

char bob nt=Bob__Samuels -> "Bob_Samuels"

char bob nt_raw=Bob_Samuels -> "Bob_Samuels"
```

Original issue reported on code.google.com by `saluk64007@gmail.com` on 6 Mar 2014 at 10:44
