patch 8.2.1631: test_fails() does not check the context of the line number Commit: https://github.com/vim/vim/commit/9bd5d879c2ecfbdbb168b090e12f4b89724a302e Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 6 21:47:48 2020 +0200 patch 8.2.1631: test_fails() does not check the context of the line number Problem: test_fails() does not check the context of the line number. Solution: Use another argument to specify the context of the line number.

" 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