patch 8.2.1982: quickfix window now updated when adding invalid entries Commit: https://github.com/vim/vim/commit/2ce7790348dab9cbfcc5d02c8258d0dd7ecacf95 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 14 13:15:24 2020 +0100 patch 8.2.1982: quickfix window now updated when adding invalid entries Problem: Quickfix window now updated when adding invalid entries. Solution: Update the quickfix buffer properly. (Yegappan Lakshmanan, closes #7291, closes #7271)