patch 8.2.3567: CTRL-I in Insert mode is not tested Commit: https://github.com/vim/vim/commit/9cd063e3195a4c250c8016fa340922ab21fda252 Author: Dominique Pelle <dominique.pelle@gmail.com> Date: Thu Oct 28 21:06:05 2021 +0100 patch 8.2.3567: CTRL-I in Insert mode is not tested Problem: CTRL-I in Insert mode is not tested Solution: Add a test case. (Dominique Pell?, closes https://github.com/vim/vim/issues/8866)