patch 8.1.1231: asking about existing swap file unnecessarily commit https://github.com/vim/vim/commit/67cf86bfff5fd5224d557d81cb146f46e33b831c Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 28 22:25:38 2019 +0200 patch 8.1.1231: asking about existing swap file unnecessarily Problem: Asking about existing swap file unnecessarily. Solution: When it is safe, delete the swap file. Remove HAS_SWAP_EXISTS_ACTION, it is always defined. (closes #1237)

" 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<"