Edit identifiers and delete function

[PLK2]

1. Is it possible to edit the "purpose" (identifier) of an imported key?
2. Suggestion: add a warning/confirmation message after hitting the "Delete" button.
3. Is it possible to undo the deletion of a key? Or do I need to reimport it?

[PLK2]

Am I supposed to include those under the "Issues" tab? I've never used github before...