patch 8.2.0547: Win32: restoring screen not always done right Commit: https://github.com/vim/vim/commit/e7f234120f71a75f0c7c2a67e0b70c6450c50a02 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 11 22:38:34 2020 +0200 patch 8.2.0547: Win32: restoring screen not always done right Problem: Win32: restoring screen not always done right. Solution: Use a more appropriate method. (Nobuhiro Takasaki, closes https://github.com/vim/vim/issues/5909)

" 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