From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#64797: 30.0.50; advised alias -> "function is an alias for nil" in Help Date: Sun, 23 Jul 2023 05:13:41 +0200 Message-ID: <877cqrl3q2.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32296"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= , Stefan Monnier To: 64797@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jul 23 05:15:17 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qNPYz-0008CO-8K for geb-bug-gnu-emacs@m.gmane-mx.org; 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envelope-from=michael_heerdegen@web.de; helo=mout.web.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:265853 Archived-At: 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 =E2=80=98nil=E2=80=99, 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 2022-01-13) I CC Mattias and Stefan you might be able to help. TIA, Michael.