Option-N and Option-P (What are they doing and how do I disable or rebind them?) On Catalina 10.15.6 (and even on High Sierra), typing either Option-N or Option-P pops up a series of &quot;quick looks&quot; at all my current &quot;application windows.&quot; But I am unable to find any documentation about what this is called (it only appeared in 10.14, I believe).
I have spent--truly--hours looking up how to understand and change this behavior...shocked this is not mentioned anywhere.
While I can see some value in this behavior, I use those keys in Emacs (as well as Logic Pro), where N/P keys are frequently used as mnemonics for &quot;next/previous.&quot; While I have worked around this in Emacs by using ESC as a substitue, I want to free up Option-N and Option-P again.
If I can learn the name of this operation, I will gladly also rebind those functions to non-conflicting shortcuts.
Thanks--the comments made me realize that I was barking up the wrong tree.
This shortcut was not a system shortcut but actually provided by Hammerspoon, specifically a feature (not a bug) of https://github.com/agzam/spacehammer, which is designed to provide convenient shortcuts for an &quot;Spacemacs&quot; workflow:

Other features

Alternative App Switcher Option n/p
Simple tab switcher for Chrome and iTerm Option j/k


Quitting the whole Hammerspoon process gave me back those keys.