patch 8.2.2485: when sourcing a script again the script version isn't reset Commit: https://github.com/vim/vim/commit/0123cc1e1422003704cc6941916dd75e61fb7976 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 7 17:17:58 2021 +0100 patch 8.2.2485: when sourcing a script again the script version isn't reset Problem: When sourcing a script again the script version isn't reset. Solution: Set sn_version to one when sourcing a script again. Clear sn_save_cpo properly. (closes #7608)