patch 8.2.2657: Vim9: error message for declaring variable in for loop Commit: https://github.com/vim/vim/commit/522eefd9a247c574a51bfe9bf73467a8dc3bac42 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 26 18:49:22 2021 +0100 patch 8.2.2657: Vim9: error message for declaring variable in for loop Problem: Vim9: error message for declaring variable in for loop. Solution: Clear variables when entering block again. (closes https://github.com/vim/vim/issues/8012)