From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#56773: 29.0.50; (readablep UNREADABLE) causes strange things Date: Tue, 26 Jul 2022 14:44:31 +0200 Message-ID: <8735eo2gcw.fsf@gnus.org> References: <87tu741qwi.fsf@web.de> <87mtcw2gyw.fsf@gnus.org> <83pmhscajq.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17483"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: michael_heerdegen@web.de, 56773@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jul 26 14:46:27 2022 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 1oGJxC-0004Mo-RP for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [84.212.220.105] (helo=joga) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oGJvO-0006CT-Mx; Tue, 26 Jul 2022 14:44:36 +0200 In-Reply-To: <83pmhscajq.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 26 Jul 2022 15:39:53 +0300") Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAKlBMVEX87bjo1aXYxZnI tY2mk3K7qIPpkVXKeUVmRzGSdFWbXTZbRjT++cL////zD2oIAAAAAWJLR0QN9rRh9QAAAAd0SU1F B+YHGgwqNMaI+C0AAAF2SURBVDjLY2AYhoARhziTohJ2CWMBEUxBYaNAlvSKKaiCykGCLkaKIlnp q8sSUCQCZxtvCRKRWtWxYlkaioQAp+AWB89dOzo6lqUJoMiwMG6dMmNXR9eqsrQEHkYlhKSm6pbO aSuqytLS0hJEg42EYeIiJsZbZrRXAYXTVy/wNlVUjjkA8e8kFdUdM9XKl6WVp1c0GDkxuRg6Qmxw cmXZaahSvryrvGr5JkOVyE6XTRAJB09lQ5OQFenbV3UvWzll9s7OnRAJBkdrJVUDZe9ly5evKLPe snvGTJgEY7ezIYMg17ZVqzsStbfMnums2AT1hhPIMtYdqzu6dayVDQUElR2Qo4FFe/aMKQLKCsKq QZ6o3mfZbKRkbKTq6qw8GS1cHJgMGQVVlI1MFJDFeaRlDhgxGis7RTqiBiSPt+PhGGMeZmYFHbSE 4CB4RGAik4HRgQPosXvgiI1KkKgOAyZgdGZUDjyARYKH1SUQe/rhYTjDMAroAQDZz2UAZ0uJ2wAA ACV0RVh0ZGF0ZTpjcmVhdGUAMjAyMi0wNy0yNlQxMjo0Mjo1MiswMDowMHlfNdUAAAAldEVYdGRh dGU6bW9kaWZ5ADIwMjItMDctMjZUMTI6NDI6NTIrMDA6MDAIAo1pAAAAAElFTkSuQmCC X-Now-Playing: Neil Young's _Harvest_: "Alabama" 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" Xref: news.gmane.io gmane.emacs.bugs:237959 Archived-At: Eli Zaretskii writes: > unwind_protect? Where would the unwind_protect be? The problem is here: if (!NILP (Vprint_unreadable_function) && FUNCTIONP (Vprint_unreadable_function)) { specpdl_ref count = SPECPDL_INDEX (); /* Bind `print-unreadable-function' to nil to avoid accidental infinite recursion in the function called. */ Lisp_Object func = Vprint_unreadable_function; specbind (Qprint_unreadable_function, Qnil); Lisp_Object result = CALLN (Ffuncall, func, obj, escapeflag? Qt: Qnil); We need to switch back to the original buffer before that Ffuncall, but we don't know what the original function was -- it's just stored in a local variable in prin1(-to-string).