patch 8.2.1590: Vim9: bufnr() doesn't take "true" argument Commit: https://github.com/vim/vim/commit/fe136c9a85412f4bdb5de70ef8416af5fa382b28 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Sep 4 18:35:26 2020 +0200 patch 8.2.1590: Vim9: bufnr() doesn't take "true" argument Problem: Vim9: bufnr() doesn't take "true" argument. Solution: use tv_get_bool_chk(). (closes https://github.com/vim/vim/issues/6863)

" 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()
  let lnum = 1
  for c in range(0x100, 0x1ffff)
    let cs = nr2char(c)
    if charclass(cs) == 3
      setline(lnum, '|' .. cs .. '| ' .. strwidth(cs))
      lnum += 1
    endif
  endfor
enddef

call DoIt()
set nomodified