patch 8.2.3269: Vim9: wrong argument check for partial Commit: https://github.com/vim/vim/commit/f78da4f9d6daf1907e4ce4be74146375dbd9a546 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 1 15:40:31 2021 +0200 patch 8.2.3269: Vim9: wrong argument check for partial Problem: Vim9: wrong argument check for partial. (Naohiro Ono) Solution: Handle getting return type without arguments. Correct the minimal number of arguments for what is included in the partial. (closes #8667)