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    Type:Bug Report 
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    Resolution: Fixed
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    Priority:L3 - Default 
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    Affects Version/s: None
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    Component/s: dmn-ui
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    None
Steps to reproduce
- open dmn table editor using a link (so that you have browser history)
- edit the table
- deselect all input fields
- press "Backspace"
 => the browser performs navigation to the previous page and all changes are lost
Desired behavior:
the user is asked whether he / she really wants to go back, discarding the changes
(consistent with behavior in BPMN.io demo)