patch 8.1.1140: not easy to find out what neighbors a window has commit https://github.com/vim/vim/commit/46ad288b9b2a6eb0430cf802ff5ce68a58629897 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Apr 8 20:01:47 2019 +0200 patch 8.1.1140: not easy to find out what neighbors a window has Problem: Not easy to find out what neighbors a window has. Solution: Add more arguments to winnr(). (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/3993)