patch 8.2.3748: giving an error for an empty sign argument breaks a plugin Commit: https://github.com/vim/vim/commit/e5710a02cb78c2a0a868ea55740835c78ddecbb4 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 5 19:10:04 2021 +0000 patch 8.2.3748: giving an error for an empty sign argument breaks a plugin Problem: Giving an error for an empty sign argument breaks a plugin. Solution: Do not give an error.

" 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<"