patch 8.1.1816: cannot use a user defined function as a method commit https://github.com/vim/vim/commit/fcfe1a9b8950b8b211ab3b24d84b17c6847ea43f Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 4 23:04:39 2019 +0200 patch 8.1.1816: cannot use a user defined function as a method Problem: Cannot use a user defined function as a method. Solution: Pass the base as the first argument to the user defined function after "->". (partly by FUJIWARA Takuya)

" 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