backspace doesn't work properly

[hyansuper]

When I hit Backspace, things start to go wrong.

1. Text is not deleted from where the cursor is, but from the end of the line
2. After deleting some text by hitting Backspace, when I type as normal, thosed deleted text apears again 3.Delete key does not work below is the error message from server ternimal:

` python3 run-server.py Password (leave blank for no password): Server running @ 192.168.1.90 on port 57890

New connected user 'ad' from 127.0.0.1 p>>play() [9, -1] Exception in thread Thread-2: Traceback (most recent call last): File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner self.run() File "/usr/lib/python3.6/threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "/home/hyan/Troop/src/server.py", line 368, in update_send msg = self.handle_operation(msg) File "/home/hyan/Troop/src/server.py", line 221, in handle_operation raise err File "/home/hyan/Troop/src/server.py", line 214, in handle_operation op = self.receive_operation(message["src_id"], message["revision"], TextOperation(message["operation"])) File "/home/hyan/Troop/src/ot/server.py", line 49, in receive_operation self.document = operation(self.document) File "/home/hyan/Troop/src/ot/text_operation.py", line 143, in call raise IncompatibleOperationError("Cannot apply operation: operation is too long.") src.ot.text_operation.IncompatibleOperationError: Cannot apply operation: operation is too long.`

[Qirky]

Ahh thanks for letting me know - really stupid error that accidentally ignored deletes on the client side thus giving you that error message. Fixed now!