Fix #4279 Comint mode showing weird symbols
Fix #4279 Comint mode showing weird symbols

Before:
[![alt](https://i.imgur.com/4BKayT5.png)](https://i.imgur.com/4BKayT5.png)

After:

[![alt](https://i.imgur.com/AGg3mt9.png)](https://i.imgur.com/AGg3mt9.png)

tsonntag/dotemacs,tsonntag/dotemacs,tsonntag/dotemacs,tsonntag/dotemacs