patch 8.2.2279: Vim9: memory leak with catch in skipped block Commit: https://github.com/vim/vim/commit/508b5618ec0bc6d1edff71e04d99280a2a51df9d Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 2 18:17:26 2021 +0100 patch 8.2.2279: Vim9: memory leak with catch in skipped block Problem: Vim9: memory leak with catch in skipped block. Solution: Free the pattern if not used.

" 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>)