patch 8.0.0268: may get ml_get error when :luado deletes lines commit https://github.com/vim/vim/commit/d58f03b1c21b5b0242718f89da53ddd67b1eff6b Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 29 22:48:45 2017 +0100 patch 8.0.0268: may get ml_get error when :luado deletes lines Problem: May get ml_get error when :luado deletes lines or switches to another buffer. (Nikolai Pavlov, issue https://github.com/vim/vim/issues/1421) Solution: Check the buffer and line every time.

" 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