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bug#11966: 24.1; cperl-mode with evil-mode causes hang on syntax-propert


From: JC Petkovich
Subject: bug#11966: 24.1; cperl-mode with evil-mode causes hang on syntax-propertize
Date: Wed, 18 Jul 2012 03:41:54 -0400

I'm afraid the patch does not appear to do anything. Same symptoms.

Same procedure was used to reproduce, using a patched cperl-mode.el instead (I made sure it was not loading the old elc, I moved it elsewhere).

Jean-Christophe Petkovich


On Wed, Jul 18, 2012 at 3:28 AM, Stefan Monnier <address@hidden> wrote:
> Emacs hangs on the creation of a newline with evil-ret when in a cperl
> buffer with some POD documentation after the __END__. This doesn't
> appear to be a bug in evil, but instead a bug in cperl or
> syntax-propertize,
> but I can't tell for sure.

Before I dive further into this, can you first check whether the bug-fix
for bug#11739 (see patch below) happens to fix your problem as well?


        Stefan


=== modified file 'lisp/progmodes/cperl-mode.el'
--- lisp/progmodes/cperl-mode.el        2012-01-19 07:21:25 +0000
+++ lisp/progmodes/cperl-mode.el        2012-07-06 20:57:58 +0000
@@ -8951,14 +8951,15 @@
       (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
-          (or (null cperl-syntax-done-to)
-              (< cperl-syntax-done-to to)))
-      (progn
-       (save-excursion
-         (goto-char from)
-         (cperl-fontify-syntaxically to)))))
+  (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)))
+    (save-excursion
+      (goto-char from)
+      (cperl-fontify-syntaxically to)))))

 (defvar cperl-version
   (let ((v  "Revision: 6.2"))



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