From: Vincent Lefevre <vincent@vinc17.net>
To: 11739@debbugs.gnu.org
Subject: bug#11739: 24.1; font-lock (highlighting) bug with dollar+quote sequence ('...$')
Date: Tue, 19 Jun 2012 15:15:23 +0200 [thread overview]
Message-ID: <20120619131523.GA17701@xvii.vinc17.org> (raw)
In-Reply-To: <87d34vwqfc.fsf@ypig.lip.ens-lyon.fr>
On 2012-06-19 12:23:51 +0200, Vincent Lefevre wrote:
> Open the following file with "emacs -Q <filename>":
>
> ------------------------------------------------------------
> #!/usr/bin/env perl
> # -*- mode: cperl -*-
>
> $foo = 'blah $ '
> and print "$foo\n"; # OK
>
> $foo = 'blah $'
> and print "$foo\n"; # Incorrectly highlighted
> ------------------------------------------------------------
>
> 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.
The problem is due to this change in cperl-mode.el:
@@ -1832,7 +1832,13 @@
(make-local-variable 'cperl-syntax-state)
(setq cperl-syntax-state nil) ; reset syntaxification cache
(if cperl-use-syntax-table-text-property
- (progn
+ (if (boundp 'syntax-propertize-function)
+ (progn
+ ;; Reset syntaxification cache.
+ (set (make-local-variable 'cperl-syntax-done-to) nil)
+ (set (make-local-variable 'syntax-propertize-function)
+ (lambda (start end)
+ (goto-char start) (cperl-fontify-syntaxically end))))
(make-local-variable 'parse-sexp-lookup-properties)
;; Do not introduce variable if not needed, we check it!
(set 'parse-sexp-lookup-properties t)
--
Vincent Lefèvre <vincent@vinc17.net> - Web: <http://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
next prev parent reply other threads:[~2012-06-19 13:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-19 10:23 bug#11739: 24.1; font-lock (highlighting) bug with dollar+quote sequence ('...$') Vincent Lefevre
2012-06-19 13:15 ` Vincent Lefevre [this message]
2012-06-21 16:52 ` Stefan Monnier
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