patch 8.2.0206: calling Vim9 function using default argument fails Commit: https://github.com/vim/vim/commit/26e117e9bcc09926d654b5993d61acde6b5749db Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 4 21:24:15 2020 +0100 patch 8.2.0206: calling Vim9 function using default argument fails Problem: Calling Vim9 function using default argument fails. Solution: Give an appropriate error. (closes https://github.com/vim/vim/issues/5572)