patch 8.1.1505: running "make clean" twice gives errors commit https://github.com/vim/vim/commit/8ed75cb0b4d06b8c13dfb12bf3c54be0f6f0c71b Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 9 14:39:13 2019 +0200 patch 8.1.1505: running "make clean" twice gives errors Problem: Running "make clean" twice gives errors. Solution: Add "-f" to "rm". (closes https://github.com/vim/vim/issues/4516)

" 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=