patch 8.1.1211: not all user command code is tested commit https://github.com/vim/vim/commit/e61e548dd6a20471fd81160b1c2a16089505ec8c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 27 15:05:12 2019 +0200 patch 8.1.1211: not all user command code is tested Problem: Not all user command code is tested. Solution: Add more tests.

" 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<"