I am using NVIM 0.9.0 stable release with Conqueror of Completion which I installed recently.

I am used to using the arrow keys in insert mode for quick navigation between two lines. After installing coc, whenever I press the down or up arrow keys, I get

coc#pum#visible() ? coc#pum#next(0) : "\"


coc#pum#visible() ? coc#pum#prev(0) : "\

repectively. I have not set any special Key Bindings related to coc except:

nnoremap <C-l> :call CocActionAsync('jumpDefinition')<CR>

:verbose map <Up> does not return anything, However this is the output of :verbose map! <Up>:

i  <Up>        *@pumvisible() ? '<Up>' : '<C-R>=<SNR>42_FlushBuffer()<CR>coc#pum#visible() ? coc#pum#prev(0) : "\<Up>"'
        Last set from ~/.local/share/nvim/plugged/vim-autoclose/plugin/AutoClose.vim line 471
i  <Up>        * coc#pum#visible() ? coc#pum#prev(0) : "\<Up>"
        Last set from ~/.local/share/nvim/plugged/coc.nvim/plugin/coc.vim line 733
  • Maybe could you share with us the mapping you define for <Down> and <Up> in insert mode? It will help to reproduce and analyse your problem. Apr 9, 2023 at 16:50
  • 1
    @VivianDeSmedt I only have the default mapping for up and down arrow keys. Plus, I don't have a lot of mappings in my init.vim, only one related to coc, the others are for nerd tree Apr 10, 2023 at 10:52
  • @D.BenKnoble Edited question Apr 11, 2023 at 11:31
  • Looking at the code of vim-autoclose it seems that something odd is done. One way would be to replace vim-autoclose by a maintained plugin (e.g. :CocInstall coc-pairs) another would be to fix AutoClose.vim at line 472 :-/ Apr 11, 2023 at 11:50
  • Do you still have something open in the question? How can we help you? Apr 15, 2023 at 3:37

1 Answer 1


I believe vim-autoclose is not compatible with the coc pre-mapping of Up. vim-autoclose assumes that the pre-mapping of Up is either nothing or a fixed string. But the coc has an expression mapping for Up and this is not expected by vim-autoclose.

I suggest you to replace the unmaintained vim-autoclose by a maintained solution for auto pairs (since you are already using coc maybe could you use: :CocInstall coc-pairs)

Other maitained contender are:

Remark: Another solution is to correct the way auto-close reuse the mapping of coc-nvim. The s:CreateExtraMaps() of auto-close need to be adapted but, the plugin not-being maintained, this is not very motivating :-|.

Remark: Another attempt you could do is the change the order in which coc and vim-autoclose are declared. Since the problem come from the way vim-autoclose correct the mapping if coc is declared after vim-autoclose it could be that it solves the problem.

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