patch 8.1.2202: MS-Windows: build failure with GUI and small features Commit: https://github.com/vim/vim/commit/93bbf33ceb1c13bd77e46f38164f9211da5d5f0e Author: Bram Moolenaar <Bram@vim.org> Date: Wed Oct 23 21:43:16 2019 +0200 patch 8.1.2202: MS-Windows: build failure with GUI and small features Problem: MS-Windows: build failure with GUI and small features. Solution: Add #ifdef. (Michael Soyka, closes https://github.com/vim/vim/issues/5097)

" 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