patch 8.1.1291: not easy to change directory and restore commit https://github.com/vim/vim/commit/1063f3d2008f22d02ccfa9dab83a23db52febbdc Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 7 22:06:52 2019 +0200 patch 8.1.1291: not easy to change directory and restore Problem: Not easy to change directory and restore. Solution: Add the chdir() function. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4358)