patch 8.1.1997: no redraw after a popup window filter is invoked Commit: https://github.com/vim/vim/commit/bcb4c8f9058c17dead61a0a384cb1e09c5fc459b Author: Bram Moolenaar <Bram@vim.org> Date: Sat Sep 7 14:06:52 2019 +0200 patch 8.1.1997: no redraw after a popup window filter is invoked Problem: No redraw after a popup window filter is invoked. Solution: Redraw if needed.

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