patch 9.0.1824: Vim9: private members may be modifiable Commit: https://github.com/vim/vim/commit/5bbcfbc4a260bc082829311086c3a1109c40f2d3 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Wed Aug 30 16:38:26 2023 +0200 patch 9.0.1824: Vim9: private members may be modifiable Problem: Vim9: private members may be modifiable Solution: prevent modification for def function closes: #12963 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

" 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