patch 8.2.3934: repeating line comment is undesired for "O" command Commit: https://github.com/vim/vim/commit/5ea5f373729589acb38ce3f3ca338e8a6d398bdc Author: Bram Moolenaar <Bram@vim.org> Date: Wed Dec 29 15:15:47 2021 +0000 patch 8.2.3934: repeating line comment is undesired for "O" command Problem: Repeating line comment is undesired for "O" command. Solution: Do not copy line comment leader for "O". (closes https://github.com/vim/vim/issues/9426)

" 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