patch 8.1.1746: ":dl" is seen as ":dlist" instead of ":delete" commit https://github.com/vim/vim/commit/94f82cbacf76767b5ac32f813e1d670501dbd0e6 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 24 22:30:27 2019 +0200 patch 8.1.1746: ":dl" is seen as ":dlist" instead of ":delete" Problem: ":dl" is seen as ":dlist" instead of ":delete". Solution: Do not use cmdidxs2[] if the length is 1. (closes https://github.com/vim/vim/issues/4721)

" Tests for various Ex commands.

func Test_ex_delete()
  new
  call setline(1, ['a', 'b', 'c'])
  2
  " :dl is :delete with the "l" flag, not :dlist
  .dl
  call assert_equal(['a', 'c'], getline(1, 2))
endfunc