patch 9.0.1095: using freed memory when declaration fails Commit: https://github.com/vim/vim/commit/6ef5471afa69a654888bc285a51a6035405d33a0 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 25 19:31:36 2022 +0000 patch 9.0.1095: using freed memory when declaration fails Problem: Using freed memory when declaration fails. (Yegappan Lakshmanan) Solution: After unreferencing an object set the reference to NULL.

" Vim indent file
" Language:	Mail
" Maintainer:	Bram Moolenaar
" Last Change:	2021 Sep 26

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

" What works best is auto-indenting, disable other indenting.
" For formatting see the ftplugin.
setlocal autoindent nosmartindent nocindent indentexpr=

let b:undo_indent = "setl ai< cin< inde< si<"