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I’m trying to use F9 to allow NERDTree to toggle. So what I did was the following:
nnoremap <silent> <F9> :NERDTreeToggle<CR>
When I hit F9, I get the following message back from vim
Not Connected
Not Connected
Press ENTER or type a command to continue
If I do :source ~/.vimrc, my remap for F9 works as expected and NerdTree is then toggled as expected.
Also if I use the command :NERDTreeToggle at any point from command mode, it works as well.
Any ideas?
Using @michaelmichael’s and @romainl’s suggestion, I was able to determine that I had a pluging overwriting the key .
Answer is… Debug it using :verbose map and then see if you need to disable it.