patch 9.0.1440: "rvim" can execute a shell through :diffpatch Commit: https://github.com/vim/vim/commit/23a971da506249fc8388f06cd5c011b83406ac5c Author: Bram Moolenaar <Bram@vim.org> Date: Tue Apr 4 22:04:53 2023 +0100 patch 9.0.1440: "rvim" can execute a shell through :diffpatch Problem: "rvim" can execute a shell through :diffpatch. Solution: Disallow the shell "patch" command.

" 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<"