commit https://github.com/vim/vim/commit/7df915d113ac1981792c50e8b000c9f5f784b78b Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 17 17:25:32 2016 +0100 patch 8.0.0087 Problem: When the channel callback gets job info the job may already have been deleted. (lifepillar) Solution: Do not delete the job when the channel is still useful. (ichizok, closes #1242, closes #1245)

" 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