commit https://github.com/vim/vim/commit/70e136e1d86ea1d795774824c7b712245912946d Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jul 1 14:04:51 2016 +0200 patch 7.4.1970 Problem: Using ":insert" in an empty buffer sets the jump mark. (Ingo Karkat) Solution: Don't adjust marks when replacing the empty line in an empty buffer. (closes #892)

" 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<"