patch 8.2.4601: Vim9: not enough test coverage for executing :def function Commit: https://github.com/vim/vim/commit/efd73ae5d2a533670f562b6df5be2ffeb091185d Author: Bram Moolenaar <Bram@vim.org> Date: Sun Mar 20 18:51:00 2022 +0000 patch 8.2.4601: Vim9: not enough test coverage for executing :def function Problem: Vim9: not enough test coverage for executing :def function. Solution: Add a few more tests.

" 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