patch 8.1.0105: all tab stops are the same commit https://github.com/vim/vim/commit/04958cbaf25eea27eceedaa987adfb354ad5f7fd Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 23 19:23:02 2018 +0200 patch 8.1.0105: all tab stops are the same Problem: All tab stops are the same. Solution: Add the variable tabstop feature. (Christian Brabandt, closes #2711)

" 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<"