1" Simplistic way to make spaces and Tabs visible 2 3" This can be added to an already active syntax. 4 5syn match Space " " 6syn match Tab "\t" 7if &background == "dark" 8 hi def Space ctermbg=darkred guibg=#500000 9 hi def Tab ctermbg=darkgreen guibg=#003000 10else 11 hi def Space ctermbg=lightred guibg=#ffd0d0 12 hi def Tab ctermbg=lightgreen guibg=#d0ffd0 13endif 14