patch 8.2.2055: MS-Windows: two Vim instances may use the same temp file Commit: https://github.com/vim/vim/commit/2472a74be4dedfeaff22314f31cf9787618163d1 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 26 19:47:28 2020 +0100 patch 8.2.2055: MS-Windows: two Vim instances may use the same temp file Problem: MS-Windows: two Vim instances may use the same temp file. Solution: Use the process ID for the temp name. (Ken Takata, closes https://github.com/vim/vim/issues/7378)

" 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