patch 8.1.0164: luaeval('vim.buffer().name') returns an error commit https://github.com/vim/vim/commit/fe08df452af10db8a24dbeb1bd9ef09492a4bc66 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 7 23:07:41 2018 +0200 patch 8.1.0164: luaeval('vim.buffer().name') returns an error Problem: luaeval('vim.buffer().name') returns an error. Solution: Return an empty string. (Dominique Pelle, closes https://github.com/vim/vim/issues/3167)