patch 8.2.1852: map() returing zero for NULL list is unexpected Commit: https://github.com/vim/vim/commit/ffdf8adfa8108d4765fdc68abbd2fe49a4292b25 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 15 22:29:17 2020 +0200 patch 8.2.1852: map() returing zero for NULL list is unexpected Problem: map() returing zero for NULL list is unexpected. Solution: Return the empty list. (closes https://github.com/vim/vim/issues/7133)

" Test :version Ex command

func Test_version()
  " version should always return the same string.
  let v1 = execute('version')
  let v2 = execute('version')
  call assert_equal(v1, v2)

  call assert_match("^\n\nVIM - Vi IMproved .*", v1)
endfunc

" vim: shiftwidth=2 sts=2 expandtab