patch 8.1.0039: cannot easily delete lines in another buffer commit https://github.com/vim/vim/commit/d79a26219d7161e9211fd144f0e874aa5f6d251e Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 7 18:17:46 2018 +0200 patch 8.1.0039: cannot easily delete lines in another buffer Problem: Cannot easily delete lines in another buffer. Solution: Add deletebufline().