patch 9.0.0912: libvterm with modifyOtherKeys level 2 does not match xterm Commit: https://github.com/vim/vim/commit/c896adbcdee8b2296433a61c1f009aae9f68a594 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 19 19:02:40 2022 +0000 patch 9.0.0912: libvterm with modifyOtherKeys level 2 does not match xterm Problem: libvterm with modifyOtherKeys level 2 does not match xterm. Solution: Adjust key code escape sequences to be the same as what xterm sends in modifyOtherKeys level 2 mode. Check the value of no_reduce_keys before using it.

" 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