An NCM2 plugin for completing words in other buffers.
To install this plugin with vim-plug, you simply have to insert the following lines to you ~/.config/nvim/init.vim:
call plug#begin('~/.local/share/nvim/plugged')
Plug 'ncm2/ncm2'
Plug 'fgrsnau/ncm2-otherbuf'
call plug#end()