commit https://github.com/vim/vim/commit/e292d80bede5cb0b9b1ca95176ad6c3fbaae2e0a Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 29 19:03:21 2015 +0100 patch 7.4.996 Problem: New GDK files and testdir/Make_all.mak missing from distribution. PC build instructions are outdated. Solution: Add the file to the list. Update PC build instructions.

" 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