patch 8.2.3734: Vim9: crash when no pattern match found Commit: https://github.com/vim/vim/commit/01a4dcbceefa99696bd1ef8631c3f7ce9f6e0cc2 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Dec 4 13:15:10 2021 +0000 patch 8.2.3734: Vim9: crash when no pattern match found Problem: Vim9: crash when no pattern match found. Solution: Check for error.

" 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