patch 8.2.3421: a bit of code is not covered by tests Commit: https://github.com/vim/vim/commit/d176ca3dde47c11aae0376c31b7e1ba0939c8c6c Author: Dominique Pelle <dominique.pelle@gmail.com> Date: Thu Sep 9 20:45:34 2021 +0200 patch 8.2.3421: a bit of code is not covered by tests Problem: A bit of code is not covered by tests. Solution: Add a few more test cases. (Dominique Pell?, closes https://github.com/vim/vim/issues/8857)