patch 8.2.2999: balloon sometimes does not hide with GTK 3 Commit: https://github.com/vim/vim/commit/47f6db90895c01259e90108caae9517e894e1f95 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 14 22:08:46 2021 +0200 patch 8.2.2999: balloon sometimes does not hide with GTK 3 Problem: Balloon sometimes does not hide with GTK 3. Solution: Also listen to GDK_LEAVE_NOTIFY. (Johannes Stezenbach)

" Script to fill the window with emoji characters, one per line.
" Source this script: :source %

if &modified
  new
else
  enew
endif

" Use a compiled Vim9 function for speed
def DoIt()
  var lnum = 1
  for c in range(0x100, 0x1ffff)
    var cs = nr2char(c)
    if charclass(cs) == 3
      setline(lnum, '|' .. cs .. '| ' .. strwidth(cs))
      lnum += 1
    endif
  endfor
enddef

call DoIt()
set nomodified