patch 8.2.0109: corrupted text properties when expanding spaces Commit: https://github.com/vim/vim/commit/ac15fd8c6761763c8feedef1a2fbd8309f0a823c Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 9 21:35:48 2020 +0100 patch 8.2.0109: corrupted text properties when expanding spaces Problem: Corrupted text properties when expanding spaces. Solution: Reallocate the line. (Nobuhiro Takasaki, closes https://github.com/vim/vim/issues/5457)

" Test feedkeys() function.

func Test_feedkeys_x_with_empty_string()
  new
  call feedkeys("ifoo\<Esc>")
  call assert_equal('', getline('.'))
  call feedkeys('', 'x')
  call assert_equal('foo', getline('.'))

  " check it goes back to normal mode immediately.
  call feedkeys('i', 'x')
  call assert_equal('foo', getline('.'))
  quit!
endfunc