patch 8.2.3422: Vim9: no failure if return type differs from returned var Commit: https://github.com/vim/vim/commit/efc084e3353d6854b6dac8b240f70cb0abb838ad Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 9 22:30:52 2021 +0200 patch 8.2.3422: Vim9: no failure if return type differs from returned var Problem: Vim9: no failure if return type differs from returned variable. Solution: Copy type when copying a list. (closes https://github.com/vim/vim/issues/8847)

" Vim filetype plugin file
" Language:             nanorc(5) - GNU nano configuration file
" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
" Latest Revision:      2008-07-09

if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

let s:cpo_save = &cpo
set cpo&vim

let b:undo_ftplugin = "setl com< cms< fo<"

setlocal comments=:# commentstring=#\ %s formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save