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

[GNU bug Tracking System]

Your message dated Thu, 27 Jul 2023 17:11:48 +0200
with message-id <3E133D51-45EF-4405-9916-5B0EEBBC6AFE@gmail.com>
and subject line bug#64797: 30.0.50; advised alias -> "function is an alias for 
nil" in Help
has caused the debbugs.gnu.org bug report #64797,
regarding 30.0.50; advised alias -> "function is an alias for nil" in Help
to be marked as done.

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64797: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64797
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> --- Begin Message ---
>
>
>
> Subject: 
>
> 30.0.50; advised alias -> "function is an alias for nil" in Help
>
>
>
>
> Date: 
>
> Sun, 23 Jul 2023 05:13:41 +0200
>
>
>
>
> Hello,
>
> an example: `manual-entry' is an alias for `man'.  When now the alias is
> advised, for example like
>
>   (advice-add 'manual-entry :filter-return #'identity)
>
> and you do C-h f manual-entry RET, the first line of the Help buffer
> will say:
>
> | manual-entry is an alias for ‘nil’, which is not defined.
>
> which is obviously nonsense.
>
> 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)
>
> I CC Mattias and Stefan you might be able to help.
>
>
> TIA,
>
> Michael.
>
>
>
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> bug#64797: 30.0.50; advised alias -> "function is an alias for nil" in Help
>
>
>
>
> Date: 
>
> Thu, 27 Jul 2023 17:11:48 +0200
>
>
>
>
> 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!
>
>
>
> --- End Message ---