patch 8.2.4397: crash when using many composing characters in error message Commit: https://github.com/vim/vim/commit/34f8117dec685ace52cd9e578e2729db278163fc Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 16 12:16:19 2022 +0000 patch 8.2.4397: crash when using many composing characters in error message Problem: Crash when using many composing characters in error message. Solution: Use mb_cptr2char_adv() instead of mb_ptr2char_adv().

" 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