commit https://github.com/vim/vim/commit/ea3f2e7be447a8f0c4436869620f908de5e8ef1e Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 10 20:27:32 2016 +0200 patch 7.4.2023 Problem: buflist_findname_stat() may find a dummy buffer. Solution: Set the BF_DUMMY flag after loading a dummy buffer. Start finding buffers from the end of the list.

" Vim indent file
" Language:      BibTeX
" Maintainer:    Dorai Sitaram <ds26@gte.com>
" URL:		 http://www.ccs.neu.edu/~dorai/vimplugins/vimplugins.html
" Last Change:   2005 Mar 28

" Only do this when not done yet for this buffer
if exists("b:did_indent")
  finish
endif
let b:did_indent = 1

setlocal cindent

let b:undo_indent = "setl cin<"