From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#50256: thing-at-mouse Date: Thu, 2 Sep 2021 08:48:15 +0200 Message-ID: References: <87sfys6ubm.fsf@mail.linkov.net> <87eeacdnmg.fsf@gnus.org> <87h7f7z8ui.fsf@mail.linkov.net> <871r6a8ooe.fsf@gnus.org> <87y28i85xi.fsf@mail.linkov.net> <87k0k1o5ks.fsf@mail.linkov.net> <87ilzk6bsr.fsf@mail.linkov.net> <6dcf3191-dbb3-0c6c-2483-0fc05e9ff6e5@gmx.at> <83lf4gqyn9.fsf@gnu.org> <1a65f234-c1ee-ae95-aa05-2e3d9d1e1002@gmx.at> <8335qoqobm.fsf@gnu.org> <7c9cb0a1-b222-cb06-7e7c-7f17231faca3@gmx.at> <83pmtsp4g1.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35797"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 50256@debbugs.gnu.org, larsi@gnus.org, juri@linkov.net To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 02 08:51:22 2021 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 1mLgZF-00095D-4A for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 02 Sep 2021 08:48:16 +0200 In-Reply-To: <83pmtsp4g1.fsf@gnu.org> Content-Language: en-US X-Provags-ID: V03:K1:QPA5n5sOWLgctQyCga1lsKCKD90z6sDpPt1gH4eT1egXJsGC6VN OZtI0PUTB6kvUkuXo1u8rAMwSFGgL3Y35HlgrCNwTrPmDEYnW1q3O4Mt8T++2MFhroXkMzu AvMrZF/okScG3RRmlPHvCz0anNUAdxm8fg3+13Tvjyu7F02KD0RCsT63a8u9RgaLV9JmHhV cRGAqzd+SsVvre2IgnSkw== X-UI-Out-Filterresults: notjunk:1;V03:K0:LzAEE65BHxc=:ZqIEk3eUcdl3xTuQf9qCZJ mfj2N9LNEAKkzLuHgSFBPyOAEwmb8rp4q3UXbTZbu6TDL2ovrwQMlpsz8ZoUmXN71fTZQtWwe 3eaKAWyAnwJHl+Xh8bC2bstMyza7jGKAhunb9iem3B1nFxXSBf8Z/KTVumIZWkM7oT2sR28fO Oz7hA5A+jFxxp8fdAVT/We36YZ6yPrVYwdriBNZpdP3wyjP9BwIMCZPh7bqKUAUVA6gCq349S lt08bV195CMgZ4N4UfHaiuwKLKKmNjFA1EHn0+N3y2np3XPM7dzJtgutNV3jlXJz1ouBD8RMI cKPOFRblK9Zh7SioXG3XrzbpXFG9iBSV62/mxu+if3aE73Xvk+bgrSOqOT2hHmZzEGfBjocUr ObJfaKZibbWnvrHuLJvWw3E8+x+mGdv5udrZP7TovOvl+Hxqqx/rsDT0KbHYcVh1XNMZVZ3c3 OlQscjA2XY35+YTUMy8gCEecte9fv7GozIddo2U5cYR8228I8UUEJeIbNAn4PfHGmT3jV8gz2 0986APQn0Cp2mLBMLjjaxptYbm7oNzTa5wwXs0YcEtNb7RwinfE6yUmUpL/+snOG5V2fqmfrX eN108OdMq6s1l1gAJ9CUn65mjnWjV01wjGntaDcLYle1xz0STBfQ47Dl64wlUqZ7RvZEqd3b3 3FKnDUZPZi8iuJYAJdGDagTVSuGFKFUYv7d551DJw5FWwpXQL8EfGND+IvpJFmXhN2lTQVx/k 6rpUZB2rnEpzhMmz2e1Y+jO0bHkL0FTGXsgm6R9N3ElN+klckv3FmdzGCCG5e+DMDOEjGBPi 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:213232 Archived-At: > Then what is the semantics of the code snippet above, and why did you > call with-current-buffer the second time? What did you want to > accomplish, except make a point? I tried to write a simple example with emacs -Q showing how code breaks a contract stated in a manual. > IOW, what kind of real-life situation needs such a code? Any call of `pos-visible-in-window-p' might happen within the context of `with-current-buffer'. Just check how often these forms are used in the Emacs code base. >> (pos-visible-in-window-p nil nil t) should never return nil as it >> does in the above recipe. > > Why not? Because in the manual we say that "The argument POSITION defaults to the current position of point in WINDOW; WINDOW defaults to the selected window." If the current buffer is not shown in WINDOW, the first part of this sentence is wrong. martin