commit https://github.com/vim/vim/commit/ddf8d1c746ee081d15c9d7e0515f6ac43adbf363 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 20 11:22:54 2016 +0200 patch 7.4.1945 Problem: The Man plugin doesn't work that well. Solution: Use "g:ft_man_open_mode" to be able open man pages in vert split or separate tab. Set nomodifiable for buffer with man content. Add a test. (Andrey Starodubtsev, closes #873)

" 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=