patch 9.0.0259: crash with mouse click when not initialized Commit: https://github.com/vim/vim/commit/80525751c5ce9ed82c41d83faf9ef38667bf61b1 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Aug 24 19:27:45 2022 +0100 patch 9.0.0259: crash with mouse click when not initialized Problem: Crash with mouse click when not initialized. Solution: Check TabPageIdxs[] is not NULL.

" Vim filetype plugin
" Language:	Dockerfile
" Maintainer:   Honza Pokorny <http://honza.ca>
" Last Change:	2014 Aug 29

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif

" Don't load another plugin for this buffer
let b:did_ftplugin = 1

let b:undo_ftplugin = "setl commentstring<"

setlocal commentstring=#\ %s