patch 8.1.2349: :lockvar and :unlockvar cannot be followed by "| endif" Commit: https://github.com/vim/vim/commit/cc4423ae13d78367a3d0b5756783523d3b3a1d31 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 26 17:05:00 2019 +0100 patch 8.1.2349: :lockvar and :unlockvar cannot be followed by "| endif" Problem: :lockvar and :unlockvar cannot be followed by "| endif". Solution: Check for following commands. (closes https://github.com/vim/vim/issues/5269)

function Test_Comparators()
  try
    let oldisident=&isident
    set isident+=#
    call assert_equal(1, 1 is#1)
  finally
    let &isident=oldisident
  endtry
endfunction