patch 8.1.0514: CTRL-W ^ does not work when alternate buffer has no name commit https://github.com/vim/vim/commit/1bbb61948342b5cf6e363629f145c65eb455c388 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 10 16:02:01 2018 +0100 patch 8.1.0514: CTRL-W ^ does not work when alternate buffer has no name Problem: CTRL-W ^ does not work when alternate buffer has no name. Solution: Use another method to split and edit the alternate buffer. (Jason Franklin)