patch 9.0.0750: crash when popup closed in callback Commit: https://github.com/vim/vim/commit/0abd6cf62d65180dc2c40d67cd95f13b0691f7ea Author: Bram Moolenaar <Bram@vim.org> Date: Fri Oct 14 17:04:09 2022 +0100 patch 9.0.0750: crash when popup closed in callback Problem: Crash when popup closed in callback. (Maxim Kim) Solution: In syntax_end_parsing() check that syn_block is valid.

" Vim filetype plugin file
" Language: 	tmux(1) configuration file
" URL: 		https://github.com/ericpruitt/tmux.vim/
" Maintainer: 	Eric Pruitt <eric.pruitt@gmail.com>
" Last Changed: 2017 Mar 10

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

let b:undo_ftplugin = "setlocal comments< commentstring<"

setlocal comments=:#
setlocal commentstring=#\ %s