mgedmin/SnakeMUD — comment on commit 93336b7c6a750cb01b4e1832ca7d1db519ba83d8
File:  line 0
By mgedmin:

Yep, testing on Chrome/Windows confirms this: Backspace on http://snake.busyflow.com/ goes back in history, Backspace on http://terminal.jcubic.pl/ erases characters.