patch 8.2.1280: Ex command error cannot contain an argument Commit: https://github.com/vim/vim/commit/8930caaa1a283092aca81fdbc3fcf15c7eadb197 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 23 16:37:03 2020 +0200 patch 8.2.1280: Ex command error cannot contain an argument Problem: Ex command error cannot contain an argument. Solution: Add ex_errmsg() and translate earlier. Use e_trailing_arg where possible.

" 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