patch 8.0.0439: ":%argdel" gives an error for an empty arglist commit https://github.com/vim/vim/commit/69a92fb5aecdf2f9d5f6947790b18991b22d0e4c Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 9 15:58:30 2017 +0100 patch 8.0.0439: ":%argdel" gives an error for an empty arglist Problem: Using ":%argdel" while the argument list is already empty gives an error. (Pavol Juhas) Solution: Don't give an error. (closes #1546)