patch 8.2.3228: cannot use a simple block for the :command argument Commit: https://github.com/vim/vim/commit/5d7c2df536c17db4a9c61e0760bdcf78d0db7330 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 27 21:17:32 2021 +0200 patch 8.2.3228: cannot use a simple block for the :command argument Problem: Cannot use a simple block for the :command argument. (Maarten Tournoij) Solution: Recognize a simple {} block. (issue #8623)