On 05/07/2023 17:35, Ihor Radchenko wrote:
> However, you will see many more failures with Emacs 26 on the latest
> main.

With the couple of attached patches the only failing test is

Test test-org/delete-indentation backtrace:
   signal(wrong-number-of-arguments ((0 . 1) 3))
   apply(signal (wrong-number-of-arguments ((0 . 1) 3)))
   (setq value-20142 (apply fn-20140 args-20141))
   (unwind-protect (setq value-20142 (apply fn-20140 args-20141)) (setq
   (if (unwind-protect (setq value-20142 (apply fn-20140 args-20141)) (
   (let (form-description-20144) (if (unwind-protect (setq value-20142
   (let ((value-20142 (quote ert-form-evaluation-aborted-20143))) (let
   (let* ((fn-20140 (function equal)) (args-20141 (condition-case err (
   (closure (t) nil (let* ((fn-20140 (function equal)) (args-20141 (con
   ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test
   ert-run-test(#s(ert-test :name test-org/delete-indentation :document
   ert-run-or-rerun-test(#s(ert--stats :selector "\\(org\\|ob\\|ox\\)"
   ert-run-tests("\\(org\\|ob\\|ox\\)" #f(compiled-function (event-type
   ert-run-tests-batch("\\(org\\|ob\\|ox\\)")
   ert-run-tests-batch-and-exit("\\(org\\|ob\\|ox\\)")
   (let ((org-id-track-globally t) (org-test-selector (if org-test-sele
   org-test-run-batch-tests("\\(org\\|ob\\|ox\\)")
   eval((org-test-run-batch-tests org-test-select-re))
   command-line-1(("--eval" "(setq vc-handled-backends nil org-startup-
   command-line()
   normal-top-level()
Test test-org/delete-indentation condition:
     (wrong-number-of-arguments
      (0 . 1)
      3)
    FAILED   935/1069  test-org/delete-indentation