patch 8.2.4214: illegal memory access with large 'tabstop' in Ex mode Commit: https://github.com/vim/vim/commit/85b6747abc15a7a81086db31289cf1b8b17e6cb1 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 25 11:55:02 2022 +0000 patch 8.2.4214: illegal memory access with large 'tabstop' in Ex mode Problem: Illegal memory access with large 'tabstop' in Ex mode. Solution: Allocate enough memory.

" Simplistic way to make spaces and Tabs visible

" This can be added to an already active syntax.

syn match Space " "
syn match Tab "\t"
if &background == "dark"
  hi def Space ctermbg=darkred guibg=#500000
  hi def Tab ctermbg=darkgreen guibg=#003000
else
  hi def Space ctermbg=lightred guibg=#ffd0d0
  hi def Tab ctermbg=lightgreen guibg=#d0ffd0
endif