patch 8.2.2820: session file may divide by zero Commit: https://github.com/vim/vim/commit/b6c2e9a010ebd7db586081957e634903d4972fa1 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 30 21:37:51 2021 +0200 patch 8.2.2820: session file may divide by zero Problem: Session file may divide by zero. Solution: Avoid writing difide by zero. (closes https://github.com/vim/vim/issues/8162)

" 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<"