patch 8.1.1703: breaking out of loop by checking window pointer insufficient commit https://github.com/vim/vim/commit/61386408063a2300d7d7f42c5156f66f6252fb54 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 16 21:19:55 2019 +0200 patch 8.1.1703: breaking out of loop by checking window pointer insufficient Problem: Breaking out of loop by checking window pointer is insufficient. Solution: Check the window ID and the buffer number. (closes https://github.com/vim/vim/issues/4683)