window class_only: 'slack' do
remap 'Alt-n', to: 'Ctrl-k'
remap 'Alt-k', to: 'Alt-Up'
remap 'Alt-j', to: 'Alt-Down'
remap 'Ctrl-Alt-k', to: 'Alt-Shift-Up'
remap 'Ctrl-Alt-j', to: 'Alt-Shift-Down'
end