[horde] backspace delete messages

[A. Schulze]

Jan Schneider:

> Zitat von A. Schulze <sca at andreasschulze.de>:
>
>> Hello,
>>
>> just noted that pressing BACKSPACE on a message selected in IMP  
>> /delete/ the message.
>> I would expect deletion only on "DEL". Is the BACKSPACE intentional  
>> used to delete objects?
>>
>> Andreas
>
> Yes. Its a valid deletion key too.

Hi Jan,

at least it's uncommon. I tried Thunderbird and Outlook for example.  
They don't use BACKSPACE to /delete/ messages.

May I disable/redefine that keybinding?
If not, where inside horde is this implemented.

Andreas