patch 9.0.0690: buffer size for expanding tab not correctly computed Commit: https://github.com/vim/vim/commit/a0789478f6ebbb823670b7e14ce13ea3fd3b0217 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 8 11:16:40 2022 +0100 patch 9.0.0690: buffer size for expanding tab not correctly computed Problem: Buffer size for expanding tab not correctly computed. Solution: Correctly use size of end character.

" 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