Expected Behavior

The string %d in the Autocomplete field should send Alt-D to the application.

Current Behavior

The string %d in the Autocomplete field is sending d to the application.

Steps to Reproduce

1. Replace the Autocomplete field for a website with %d.
2. Invoke autocompletion.
3. I expect the URL field to be focused, but instead a literal d was sent to the page.

Context

Using Firefox 64.0 on Ubuntu Linux 18.10 with KDE 5 and KeepassXC 2.3.1 with no extensions.