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#46274: 28.0.50; Inconsistent doc for syntax-propertize-function Date: Thu, 04 Feb 2021 09:34:11 +0100 Message-ID: <871rdwgrjw.fsf@gnus.org> References: 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="21320"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Stefan Monnier To: 46274@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Feb 04 09:35:10 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 1l7a6Y-0005Px-I7 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1l7a5d-0004lG-37; Thu, 04 Feb 2021 09:34:18 +0100 X-Now-Playing: Pailhead's _Trait_: "I Will Refuse" In-Reply-To: (Filipp Gunbin's message of "Wed, 03 Feb 2021 23:04:26 +0300") 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:199275 Archived-At: Filipp Gunbin writes: > C-h v syntax-propertize-function contains this text: > > The specified function may call `syntax-ppss' on any position > before END, but if it calls `syntax-ppss' on some > position and later modifies the buffer on some earlier position, > then it is its responsibility to call `syntax-ppss-flush-cache' to flush > the now obsolete ppss info from the cache. > > But (info "(elisp) Syntax Properties") has a different view: > > It is allowed to call =E2=80=98syntax-ppss=E2=80=99 on any position befor= e END. > However, it should not call =E2=80=98syntax-ppss-flush-cache=E2=80=99; so= , it is not > allowed to call =E2=80=98syntax-ppss=E2=80=99 on some position and later = modify the > buffer at an earlier position. > > Which is the right one? Good question. Stefan M added to the CCs. --=20 (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no