patch 8.1.1245: ":copen 10" sets height in full-height window commit https://github.com/vim/vim/commit/36d502225c3ec5e8b30771d58ee20171ce564b2f Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 2 20:17:40 2019 +0200 patch 8.1.1245: ":copen 10" sets height in full-height window Problem: ":copen 10" sets height in full-height window. (Daniel Hahler) Solution: Don't set the height if the quickfix window is full height. (closes #4325)