doc/codeclimate_quick_help.txt
? a quick summary of these keys, repeat to close
o to open (same as Enter)
O to open and close the quickfix window
go to preview file, open but maintain focus on results
t to open in new tab
T to open in new tab without moving to it
h to open in horizontal split
H to open in horizontal split, keeping focus on the results
v to open in vertical split
gv to open in vertical split, keeping focus on the results
q to close the quickfix window