patch 9.0.0547: looping over empty out_loop[] entries Commit: https://github.com/vim/vim/commit/6d313bec535d9ccc24f6f82025280a61caad7416 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 22 16:36:25 2022 +0100 patch 9.0.0547: looping over empty out_loop[] entries Problem: Looping over empty out_loop[] entries. Solution: Store the array size.

" 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<"