bug#64797: 30.0.50; advised alias -> "function is an alias for nil" in Help

[Mattias Engdegård]

23 juli 2023 kl. 05.13 skrev Michael Heerdegen <michael_heerdegen@web.de>:

> Seems that this regression in `help-fns--analyze-function' had been
> introduced by
> 
> d30fde6b0cc "Avoid infloops in help-fns--analyze-function with aliases"
> (Lars Ingebrigtsen <larsi@gnus.org> 2022-01-13)

Right. This is a regression in Emacs 29.
The fix is going to master for now. Whether and when to backport it is Eli's 
decision to make.

Thank you for localising and reporting it!