patch 8.1.0999: use register one too often and not properly tested commit https://github.com/vim/vim/commit/9d7fdd403a3a9ee0d008b6dcbcd2ecc9ec0f57b7 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 8 09:50:52 2019 +0100 patch 8.1.0999: use register one too often and not properly tested Problem: Use register one too often and not properly tested. Solution: Do not always use register one when specifying a register. (closes #4085) Add more tests.