patch 8.2.4754: using cached values after unsetting some environment variables Commit: https://github.com/vim/vim/commit/7714231bb5b15f7c85453f3945c108478de1d08a Author: LemonBoy <thatlemon@gmail.com> Date: Fri Apr 15 20:50:46 2022 +0100 patch 8.2.4754: using cached values after unsetting some environment variables Problem: Still using cached values after unsetting some known environment variables. Solution: Take care of the side effects. (closes #10194)

" Provide 'PrintVer' command to print the interface versions.

func s:print_ver(lang, ...)
  if has(a:lang)
    exec a:lang join(a:000)
  else
    echo 'N/A'
  endif
  echo ''
endfunc

command -nargs=+ PrintVer call <SID>print_ver(<f-args>)