patch 9.0.0172: trying to allocate zero bytes Commit: https://github.com/vim/vim/commit/1024690c015921b0a458172bc368133f63af1b89 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 8 17:08:05 2022 +0100 patch 9.0.0172: trying to allocate zero bytes Problem: Trying to allocate zero bytes. Solution: Do not allocate the proptype array when there are none. (closes #10867)

" 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