patch 8.2.3704: Vim9: cannot use a list declaration in a :def function Commit: https://github.com/vim/vim/commit/ab36e6ae7b87b0295fb19270e4339a734875c6b1 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 30 16:14:49 2021 +0000 patch 8.2.3704: Vim9: cannot use a list declaration in a :def function Problem: Vim9: cannot use a list declaration in a :def function. Solution: Make it work.

" Vim indent file
" Language:	generic Changelog file
" Maintainer:	noone
" Last Change:	2005 Mar 29

" Only load this indent file when no other was loaded.
if exists("b:did_indent")
   finish
endif
let b:did_indent = 1

setlocal ai

let b:undo_indent = "setl ai<"