commit https://github.com/vim/vim/commit/0cdb72aa38c4a0140c94d56bf8bc17cb30260ebf Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jan 2 21:37:40 2017 +0100 patch 8.0.0142 Problem: Normal colors are wrong with 'termguicolors'. Solution: Initialize to INVALCOLOR instead of zero. (Ben Jackson, closes https://github.com/vim/vim/issues/1344)

" 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<"