patch 8.1.0702: ":sign place" only uses the current buffer commit https://github.com/vim/vim/commit/b589f95b38ddd779d7e696abb0ea011dc92ea903 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jan 7 22:10:00 2019 +0100 patch 8.1.0702: ":sign place" only uses the current buffer Problem: ":sign place" only uses the current buffer. Solution: List signs for all buffers when there is no buffer argument. Fix error message for invalid buffer name in sign_place(). (Yegappan Lakshmanan, closes #3774)

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