patch 8.2.3707: Vim9: constant expression of elseif not recognized Commit: https://github.com/vim/vim/commit/90770b746ea2e72954c536d8acf41d241ca2f37e Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 30 20:57:38 2021 +0000 patch 8.2.3707: Vim9: constant expression of elseif not recognized Problem: Vim9: constant expression of elseif not recognized. Solution: Set instruction count before generating the expression.

" 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<"