patch 8.1.1718: popup menu highlighting does not look good commit https://github.com/vim/vim/commit/cb5ff34c1b8a89fcdb86653ab18d0aa53f665642 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 20 16:51:19 2019 +0200 patch 8.1.1718: popup menu highlighting does not look good Problem: Popup menu highlighting does not look good. Solution: Highlight the whole window line. Fix that sign line HL is not displayed in a window with a background color.

" gvimrc for test_gui_init.vim

if has('gui_athena') || has('gui_motif') || has('gui_gtk2') || has('gui_gtk3')
  set guiheadroom=0
  set guioptions+=p
endif