From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#19145: 24.4; prettify-symbols-mode inconsistent behavior Date: Fri, 21 Nov 2014 13:15:01 -0500 Message-ID: References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1416593798 12592 80.91.229.3 (21 Nov 2014 18:16:38 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 21 Nov 2014 18:16:38 +0000 (UTC) Cc: 19145@debbugs.gnu.org To: Ken Mankoff Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Nov 21 19:16:28 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Xrsko-0003YN-7J for geb-bug-gnu-emacs@m.gmane.org; Fri, 21 Nov 2014 19:16:22 +0100 Original-Received: from localhost ([::1]:41985 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xrskn-0003AA-N8 for geb-bug-gnu-emacs@m.gmane.org; Fri, 21 Nov 2014 13:16:21 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44130) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xrskc-00031E-3F for bug-gnu-emacs@gnu.org; Fri, 21 Nov 2014 13:16:17 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XrskU-000135-L6 for bug-gnu-emacs@gnu.org; Fri, 21 Nov 2014 13:16:10 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43967) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XrskU-00012v-Gk for bug-gnu-emacs@gnu.org; Fri, 21 Nov 2014 13:16:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XrskU-00034E-8A for bug-gnu-emacs@gnu.org; Fri, 21 Nov 2014 13:16:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 21 Nov 2014 18:16:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19145 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 19145-submit@debbugs.gnu.org id=B19145.141659371011731 (code B ref 19145); Fri, 21 Nov 2014 18:16:02 +0000 Original-Received: (at 19145) by debbugs.gnu.org; 21 Nov 2014 18:15:10 +0000 Original-Received: from localhost ([127.0.0.1]:41180 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xrsjc-000335-24 for submit@debbugs.gnu.org; Fri, 21 Nov 2014 13:15:09 -0500 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:37249) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XrsjX-00032R-7u for 19145@debbugs.gnu.org; Fri, 21 Nov 2014 13:15:04 -0500 Original-Received: from pastel.home (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id sALIF2P7014746; Fri, 21 Nov 2014 13:15:02 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id EAEBC43B8; Fri, 21 Nov 2014 13:15:01 -0500 (EST) In-Reply-To: (Ken Mankoff's message of "Fri, 21 Nov 2014 12:40:12 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV5132=0 X-NAI-Spam-Version: 2.3.0.9393 : core <5132> : inlines <1553> : streams <1346327> : uri <1835586> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:96394 > Some symbols are sometimes not being treated correctly depending on what > characters follow. For example, I have the following setup for coding > Python: > (prettify-symbols-mode t) > (global-prettify-symbols-mode t) > (add-hook 'python-mode-hook > (lambda () > (push '("**2" . ?=C2=B2) prettify-symbols-alist) > (push '("_x" . ?=E1=B5=AA) prettify-symbols-alist) > (push '("delta" . ?=CE=B4) prettify-symbols-alist))) Can you try the patch below and see if it does what you want? Stefan diff --git a/lisp/progmodes/prog-mode.el b/lisp/progmodes/prog-mode.el index 5037020..475dd32 100644 --- a/lisp/progmodes/prog-mode.el +++ b/lisp/progmodes/prog-mode.el @@ -73,11 +73,13 @@ Regexp match data 0 points to the chars." ;; Check that the chars should really be composed into a symbol. (let* ((start (match-beginning 0)) (end (match-end 0)) - (syntaxes (if (eq (char-syntax (char-after start)) ?w) - '(?w ?_) '(?. ?\\))) + (syntax-beg (if (eq (char-syntax (char-after start)) ?w) + '(?w ?_) '(?. ?\\))) + (syntax-end (if (eq (char-syntax (char-before end)) ?w) + '(?w ?_) '(?. ?\\))) match) - (if (or (memq (char-syntax (or (char-before start) ?\s)) syntaxes) - (memq (char-syntax (or (char-after end) ?\s)) syntaxes) + (if (or (memq (char-syntax (or (char-before start) ?\s)) syntax-beg) + (memq (char-syntax (or (char-after end) ?\s)) syntax-end) ;; syntax-ppss could modify the match data (bug#14595) (progn (setq match (match-string 0)) (nth 8 (syntax-ppss)))) ;; No composition for you. Let's actually remove any composition