commit https://github.com/vim/vim/commit/58adb14739fa240ca6020cede9ab1f1cb07bd90a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 16 21:50:51 2016 +0100 patch 7.4.1108 Problem: Expanding "~" halfway a file name. Solution: Handle the file name as one name. (Marco Hinz) Add a test. Closes https://github.com/vim/vim/issues/564.

" 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