patch 8.2.0403: when 'buftype' is "nofile" there is no overwrite check Commit: https://github.com/vim/vim/commit/a3a9c8ef697bbf6f640cde99710b6f534f29f77d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 19 12:38:34 2020 +0100 patch 8.2.0403: when 'buftype' is "nofile" there is no overwrite check Problem: When 'buftype' is "nofile" there is no overwrite check. Solution: Also check for existing file when 'buftype' is set. (closes #5807)