patch 9.0.0906: mouse scroll code is not optimal Commit: https://github.com/vim/vim/commit/ff95ce0930e6db0037fe8d1fc875a6522b054582 Author: Christopher Plewright <chris@createng.com> Date: Sat Nov 19 10:47:49 2022 +0000 patch 9.0.0906: mouse scroll code is not optimal Problem: Mouse scroll code is not optimal. Solution: Properly organise Normal mode, Insert mode and common code. (Christopher Plewright, closes #11572)

" 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