patch 8.1.0398: no test for -o and -O command line arguments commit https://github.com/vim/vim/commit/8f4499b81612568b4964e8445d86e34e6d644b13 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 16 16:28:11 2018 +0200 patch 8.1.0398: no test for -o and -O command line arguments Problem: No test for -o and -O command line arguments. Solution: Add a test. (Dominique Pelle, closes https://github.com/vim/vim/issues/3438)