patch 8.2.1931: Vim9: arguments of extend() not checked at compile time Commit: https://github.com/vim/vim/commit/fbcbffe1ad327f4f0da518abfd5fd7be7fec22b5 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 31 19:33:38 2020 +0100 patch 8.2.1931: Vim9: arguments of extend() not checked at compile time Problem: Vim9: arguments of extend() not checked at compile time. Solution: Add argument type checking for extend().

" Vim filetype plugin file
" Language:             GNU Arch inventory 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