patch 8.1.1335: listener callback is called after inserting text commit https://github.com/vim/vim/commit/dda4144d39a9d685b8dda830978e7410bd372c40 Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 16 22:11:47 2019 +0200 patch 8.1.1335: listener callback is called after inserting text Problem: Listener callback is called after inserting text. Solution: Flush the changes before inserting or deleting a line. Store changes per buffer.

" 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