* testing/lisp/test-org-num.el (test-org-num/max-level):
(test-org-num/skip-numbering):
(test-org-num/update):
* testing/lisp/test-org-table.el (test-org-table/toggle-column-width):
Do not expect specific overlay order in the return value of
`overlays-in'. The order is not guaranteed by the docstring and has
been changed in Emacs 29.
Link: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=59067
* doc/org-manual.org (Headlines): Refer to new section.
(Dynamic Headline Numbering): New section.
* lisp/org-num.el:
* testing/lisp/test-org-num.el: New files.