GNU bug report logs - #11739
24.1; cperl font-lock (highlighting) bug with dollar+quote sequence ('...$')

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Message #13 received at 11739-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Vincent Lefevre <vincent <at> vinc17.net>
Cc: 11739-done <at> debbugs.gnu.org
Subject: Re: bug#11739: 24.1;
	font-lock (highlighting) bug with dollar+quote sequence ('...$')
Date: Thu, 21 Jun 2012 12:52:52 -0400

> The first "and print ..." line is correctly highlighted, but not the
> second one. It seems that CPerl is confused by a $ at the end of a
> single-quote string literal.

Actually, cperl recognizes these just fine, but there was some
miscommunication between cperl and syntax-propertize so one ended up
removing something expecting the other would refresh it, but without
telling it.
It should be fixed now on the emacs-24 branch.


        Stefan


--- lisp/progmodes/cperl-mode.el	2012-01-19 07:21:25 +0000
+++ lisp/progmodes/cperl-mode.el	2012-06-21 16:41:01 +0000
@@ -8951,11 +8951,12 @@
       (setq cperl-syntax-done-to (min cperl-syntax-done-to beg))))
 
 (defun cperl-update-syntaxification (from to)
-  (if (and cperl-use-syntax-table-text-property
-	   cperl-syntaxify-by-font-lock
+  (cond
+   ((not cperl-use-syntax-table-text-property) nil)
+   ((fboundp 'syntax-propertize) (syntax-propertize to))
+   ((and cperl-syntaxify-by-font-lock
 	   (or (null cperl-syntax-done-to)
 	       (< cperl-syntax-done-to to)))
-      (progn
 	(save-excursion
 	  (goto-char from)
 	  (cperl-fontify-syntaxically to)))))

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