Document the hint toggle - Add "Putting it away" under the hint bar: what ctrl+_ hides, what the bottom border says while it is hidden, and the three bars that are drawn whatever the flag says - Add the key to both tables, and say why it is a chord on the picker, where bare letters are filter input - Answer "Can I hide the hint bar?" in the FAQ - Cover the terminals that send nothing for the chord in Troubleshooting, with ctrl+/ and the config flag as the ways round it
Note that j opens what hides the feedback
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