commit https://github.com/vim/vim/commit/60ef3e81f4a54d9f7ee617d57021f0811ec8ada5 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 29 14:37:56 2016 +0200 patch 8.0.0053 Problem: No test for what 8.0.0047 fixes. Solution: Add a test. (Hirohito Higashi)

" Vim indent file
" Language:	generic Changelog file
" Maintainer:	noone
" Last Change:	2005 Mar 29

" Only load this indent file when no other was loaded.
if exists("b:did_indent")
   finish
endif
let b:did_indent = 1

setlocal ai

let b:undo_indent = "setl ai<"