patch 8.2.1037: Vim9: crash when using line continuation inside :def Commit: https://github.com/vim/vim/commit/acd4c5e914f8a06745624ba585f3d06d5faf4ddd Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 22 19:39:03 2020 +0200 patch 8.2.1037: Vim9: crash when using line continuation inside :def Problem: Vim9: crash when using line continuation inside :def. Solution: Check for no more lines available.

" Elm filetype plugin file
" Language: Elm
" Maintainer: Andreas Scharf <as@99n.de>
" Latest Revision: 2020-05-29

if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

let s:cpo_save = &cpo
set cpo&vim

setlocal comments=s1fl:{-,mb:\ ,ex:-},:--
setlocal commentstring=--\ %s

let &cpo = s:cpo_save
unlet s:cpo_save