patch 9.0.1531: crash when register contents ends up being invalid Commit: https://github.com/vim/vim/commit/d1ae8366aff286d41e7f5bc513cc0a1af5130aad Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 9 17:09:30 2023 +0100 patch 9.0.1531: crash when register contents ends up being invalid Problem: Crash when register contents ends up being invalid. Solution: Check "y_array" is not NULL.

" Vim syntax file
" Language: confini

" Quit if a syntax file was already loaded
if exists("b:current_syntax")
  finish
endif

" Use the cfg syntax for now, it's similar.
runtime! syntax/cfg.vim

let b:current_syntax = 'confini'