patch 8.2.3402: invalid memory access when using :retab with large value Commit: https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Sep 4 18:47:28 2021 +0200 patch 8.2.3402: invalid memory access when using :retab with large value Problem: Invalid memory access when using :retab with large value. Solution: Check the number is positive.