patch 8.0.0847: :argadd without argument can't handle space in file name commit https://github.com/vim/vim/commit/398ee7326b78b892a5c8380dfe3f2521a64b4fa7 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Aug 3 14:29:14 2017 +0200 patch 8.0.0847: :argadd without argument can't handle space in file name Problem: :argadd without argument can't handle space in file name. (Harm te Hennepe) Solution: Escape the space. (Yasuhiro Matsumoto, closes #1917)