patch 9.0.0579: using freed memory when 'tagfunc' wipes out buffer Commit: https://github.com/vim/vim/commit/0ff01835a40f549c5c4a550502f62a2ac9ac447c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Sep 24 19:20:30 2022 +0100 patch 9.0.0579: using freed memory when 'tagfunc' wipes out buffer Problem: Using freed memory when 'tagfunc' wipes out buffer that holds 'complete'. Solution: Make a copy of the option. Make sure cursor position is valid.

" 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>)