patch 8.2.4418: crash when using special multi-byte character Commit: https://github.com/vim/vim/commit/5921aeb5741fc6e84c870d68c7c35b93ad0c9f87 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 19 11:20:12 2022 +0000 patch 8.2.4418: crash when using special multi-byte character Problem: Crash when using special multi-byte character. Solution: Don't use isalpha() for an arbitrary character.

" 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<"