patch 8.2.1015: popup filter gets key with modifier prepended Commit: https://github.com/vim/vim/commit/20298ce679dbf21c07c8fe2161724a12424f1e69 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 19 21:46:52 2020 +0200 patch 8.2.1015: popup filter gets key with modifier prepended Problem: Popup filter gets key with modifier prepended when using modifyOtherKeys. Solution: Remove the shift modifier when it is included in the key, also when the Alt or Meta modifier is used.