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: dune
" Maintainers:  Markus Mottl         <markus.mottl@gmail.com>
" URL:          https://github.com/ocaml/vim-ocaml
" Last Change:  2021 Jan 01

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

" dune format-dune-file uses 1 space to indent
setlocal softtabstop=1 shiftwidth=1 expandtab