patch 8.0.0337: invalid memory access in :recover command commit https://github.com/vim/vim/commit/c525e3a1c20f6b5d9809c8b84f80090a8e416c92 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 18 16:59:02 2017 +0100 patch 8.0.0337: invalid memory access in :recover command Problem: Invalid memory access in :recover command. Solution: Avoid access before directory name. (Dominique Pelle, closes #1488)

" 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