patch 8.2.1788: Vim9: still allows :let for declarations Commit: https://github.com/vim/vim/commit/016faaa1b2fe242022725b29e1353c42105d045c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 3 12:57:27 2020 +0200 patch 8.2.1788: Vim9: still allows :let for declarations Problem: Vim9: still allows :let for declarations. Solution: Make the default for v:disallow_let one. It can still be set to zero to allow for using :let.