patch 8.1.1602: popup window cannot overflow on the left or right commit https://github.com/vim/vim/commit/711d02c96da996e3423a6518909687e1d45ce45a Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 28 04:06:50 2019 +0200 patch 8.1.1602: popup window cannot overflow on the left or right Problem: Popup window cannot overflow on the left or right. Solution: Only set the "fixed" option when it is in the dict. Set w_leftcol to allow for the popup overflowing on the left and use it when applying the mask.