patch 8.2.1406: popupwindow lacks scrollbar if no "maxheight" is used Commit: https://github.com/vim/vim/commit/a1b9b0cc011ef15869ac25cb93e1b4baa0cb7f38 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 9 16:37:48 2020 +0200 patch 8.2.1406: popupwindow lacks scrollbar if no "maxheight" is used Problem: Popupwindow lacks scrollbar if no "maxheight" is used. Solution: Compute the max height depending on the position. (closes https://github.com/vim/vim/issues/6664)

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