commit https://github.com/vim/vim/commit/bc96c29ffc753daef302d20322d1e3d560094f44 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 3 20:46:20 2015 +0100 patch 7.4.957 Problem: Test_tagcase fails when using another language than English. Solution: Set the messages language to C. (Kenichi Ito)

" 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=