patch 8.2.2490: 'wrap' option is always reset when starting diff mode Commit: https://github.com/vim/vim/commit/4223d43c0fb6ead1e611e4469a1680a9228b6015 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 10 13:18:17 2021 +0100 patch 8.2.2490: 'wrap' option is always reset when starting diff mode Problem: 'wrap' option is always reset when starting diff mode. Solution: Add the "followwrap" item in 'diffopt'. (Rick Howe, closes https://github.com/vim/vim/issues/7797)