When quitting denite window after previewing files, windows which contain nolisted buffer are also closed.
Reproduce way
Open (Neo)Vim.
:h
:Denite help -input=helptxt
Execute preview action.
Quit denite window, and you will see existing help window is closed.
Solution
If there are buffers which are not listed but shown, denite should only make them nobuflisted not delete the buffer. This will restore the state before starting denite.
Problem summary
When quitting denite window after previewing files, windows which contain nolisted buffer are also closed.
Reproduce way
:h
:Denite help -input=helptxt
preview
action.Solution
If there are buffers which are not listed but shown, denite should only make them
nobuflisted
not delete the buffer. This will restore the state before starting denite.