patch 8.0.0546: swap file exists briefly when opening the command window commit https://github.com/vim/vim/commit/3bab93998d01a01b7f2a071fa3b8054bb0094625 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 7 15:42:25 2017 +0200 patch 8.0.0546: swap file exists briefly when opening the command window Problem: Swap file exists briefly when opening the command window. Solution: Set the noswapfile command modifier before splitting the window. (James McCoy, closes #1620)