patch 8.2.0144: some mapping code is not fully tested Commit: https://github.com/vim/vim/commit/c2a60ae10e7badad9186de59a9994fc8c9f539e0 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 23 16:19:54 2020 +0100 patch 8.2.0144: some mapping code is not fully tested Problem: Some mapping code is not fully tested. Solution: Add more test cases. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/5519)