patch 9.0.0836: wrong error when using extend() with funcref Commit: https://github.com/vim/vim/commit/91c75d18d9cdc32df57e648640de7476fbcb4d76 Author: zeertzjq <zeertzjq@outlook.com> Date: Sat Nov 5 20:21:58 2022 +0000 patch 9.0.0836: wrong error when using extend() with funcref Problem: Wrong error when using extend() with funcref. Solution: Better check the variable type. (closes https://github.com/vim/vim/issues/11468, closes https://github.com/vim/vim/issues/11455)

" Vim filetype plugin file
" Language: 	tmux(1) configuration file
" URL: 		https://github.com/ericpruitt/tmux.vim/
" Maintainer: 	Eric Pruitt <eric.pruitt@gmail.com>
" Last Changed: 2017 Mar 10

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

let b:undo_ftplugin = "setlocal comments< commentstring<"

setlocal comments=:#
setlocal commentstring=#\ %s