return function()
    --[[
    local function treesitter_is_parser_installed(filetype)
        if not filetype then return false end

        local ok, parsers = pcall(require, "nvim-treesitter.parsers")
        if not ok then return false end
        local name = parsers.filetype_to_parsername[filetype]
        return name and #vim.api.nvim_get_runtime_file("parser/" .. name .. ".so", false) > 0
    end

    -- Set foldmethod to treesitter only on BufEnter if we do have a parser and we're not in diffmode
    vim.api.nvim_create_autocmd({ 'BufEnter', 'BufWinEnter' }, {
        group = vim.api.nvim_create_augroup('TS_FOLD_WORKAROUND', {}),
        callback = function()
            if vim.wo.diff then return end
            if treesitter_is_parser_installed(vim.bo.filetype) then
                vim.wo.foldmethod = 'expr'
                vim.wo.foldexpr   = 'nvim_treesitter#foldexpr()'
            end
        end
    })
    --]]

    -- TODO Move to filetype plugin?
    vim.api.nvim_create_autocmd("TermOpen", {
        group = vim.api.nvim_create_augroup("term", { clear = true }),
        callback = function()
            vim.wo.number = false
            vim.wo.spell = false
        end
    })
end