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I very much agree, but I'm not sure how it could be added. What key
would you use? My proposal was to use numbers in the scale views
(super+w and super+numnum), and Alt+BAT. It would improve the keyboard
navigation, I think, but it would still require two steps. That is;
you'd press and hold Alt, tap BAT, press a number and release Alt. Not
quite as powerful as super+num, but I still think it would be an
improvement. We'd need some way to organize windows though.