patch 8.2.2121: internal error when using ze before zs in a pattern Commit: https://github.com/vim/vim/commit/a7a691cc142439e266f4ceb1f208bb952b57aa71 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Dec 9 16:36:04 2020 +0100 patch 8.2.2121: internal error when using \ze before \zs in a pattern Problem: Internal error when using \ze before \zs in a pattern. Solution: Check the end is never before the start. (closes https://github.com/vim/vim/issues/7442)

" 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