patch 8.0.1705: when making a vertical split the mode message isn't updated commit https://github.com/vim/vim/commit/5bab555c2f1b3b86d57e4adeb86d908eff477fc9 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 13 20:41:29 2018 +0200 patch 8.0.1705: when making a vertical split the mode message isn't updated Problem: When making a vertical split the mode message isn't always updated, "VISUAL" remains. (Alexei Averchenko) Solution: Only reset clear_cmdline when filling all columns of the last screen line. (Tom M. closes #2611)

" Test if fnameescape is correct for special chars like !
function! Test_fnameescape()
  let fname = 'Xspa ce'
  let status = v:false
  try
    exe "w! " . fnameescape(fname)
    let status = v:true
  endtry
  call assert_true(status, "Space")
  call delete(fname)

  let fname = 'Xemark!'
  let status = v:false
  try
    exe "w! " . fnameescape(fname)
    let status = v:true
  endtry
  call assert_true(status, "ExclamationMark")
  call delete(fname)
endfunction