patch 8.2.4591: cursor line not updated when a callback moves the cursor Commit: https://github.com/vim/vim/commit/e7a74d53754765f22ef8ce71c915bb669d5f7f3f Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 19 11:10:15 2022 +0000 patch 8.2.4591: cursor line not updated when a callback moves the cursor Problem: Cursor line not updated when a callback moves the cursor. Solution: Check if the cursor moved. (closes https://github.com/vim/vim/issues/9970)

" Test for '' mark in an empty buffer

func Test_empty_buffer()
  new
  insert
a
b
c
d
.
  call assert_equal(1, line("''"))
  bwipe!
endfunc

" vim: shiftwidth=2 sts=2 expandtab