commit https://github.com/vim/vim/commit/c6aa475a27e3ed1645446b014c32ebf68d005d49 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 7 15:39:43 2017 +0100 patch 8.0.0148: wrong indent in C preprocessor with line continuation Problem: When a C preprocessor statement has two line continuations the following line does not have the right indent. (Ken Takata) Solution: Add the indent of the previous continuation line. (Hirohito Higashi)

" 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