commit https://github.com/vim/vim/commit/50fa8dd00c241fa0786fe92ecc02fee4e5d28e06 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 9 22:58:21 2016 +0200 patch 7.4.2190 Problem: When startup test fails it's not easy to find out why. GUI test fails with Gnome. Solution: Add the help entry matches to a list an assert that. Set $HOME for Gnome to create .gnome2 directory.

" 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