commit https://github.com/vim/vim/commit/4930a76a0357f76a829eafe4985d04cf3ce0e9e0 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 11 14:39:53 2016 +0200 patch 7.4.2362 Problem: Illegal memory access with ":1@". (Dominique Pelle) Solution: Correct cursor column after setting the line number. Also avoid calling end_visual_mode() when not in Visual mode.

" Vim indent file
" Language:	Mail
" Maintainer:	Bram Moolenaar
" Last Change:	2009 Jun 03

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=