patch 8.2.0892: ubsan warns for undefined behavior Commit: https://github.com/vim/vim/commit/c5acc0f7fed6b061d994fc5ac660dcc0312750bd Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jun 3 18:55:38 2020 +0200 patch 8.2.0892: ubsan warns for undefined behavior Problem: Ubsan warns for undefined behavior. Solution: Use unsigned instead of signed variable. (Dominique Pelle, closes #6193)

" 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