patch 8.2.4793: recognizing Maxima filetype even though it might be another Commit: https://github.com/vim/vim/commit/928a13135629fa8e73796760077b1b877918a080 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Apr 19 19:38:38 2022 +0100 patch 8.2.4793: recognizing Maxima filetype even though it might be another Problem: Recognizing Maxima filetype even though it might be another. Solution: Remove *.mc and *.dem patterns from Maxima files

" 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