GNU bug report logs - #12222
24.2; error: sh-syntax-propertize-function: Beginning of buffer

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Package: emacs;

Reported by: Leo <sdl.web <at> gmail.com>

Date: Sat, 18 Aug 2012 12:08:03 UTC

Severity: normal

Found in version 24.2

Done: Stefan Monnier <monnier <at> iro.umontreal.ca>

Bug is archived. No further changes may be made.

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Report forwarded to bug-gnu-emacs <at> gnu.org:
bug#12222; Package emacs. (Sat, 18 Aug 2012 12:08:03 GMT) Full text and rfc822 format available.
Acknowledgement sent to Leo <sdl.web <at> gmail.com>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs <at> gnu.org. (Sat, 18 Aug 2012 12:08:04 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Leo <sdl.web <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.2; error: sh-syntax-propertize-function: Beginning of buffer
Date: Sat, 18 Aug 2012 20:07:21 +0800

1. Emacs -q
2. C-x C-f x.sh
3. C-c : and set the shell to sh
4. C-c (

the last step should fail with this message:

  sh-syntax-propertize-function: Beginning of buffer

This is a regression.

Leo
Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#12222; Package emacs. (Sat, 18 Aug 2012 18:25:02 GMT) Full text and rfc822 format available.

Message #8 received at 12222 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Leo <sdl.web <at> gmail.com>
Cc: 12222 <at> debbugs.gnu.org
Subject: Re: bug#12222: 24.2;
	error: sh-syntax-propertize-function: Beginning of buffer
Date: Sat, 18 Aug 2012 14:24:28 -0400

> This is a regression.

A regression from what? It's the same in 24.1.
Even in 22.1 and 23.1, there is: "Error during redisplay: (beginning-of-buffer)"
Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#12222; Package emacs. (Sun, 19 Aug 2012 01:25:02 GMT) Full text and rfc822 format available.

Message #11 received at 12222 <at> debbugs.gnu.org (full text, mbox):

From: Leo <sdl.web <at> gmail.com>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 12222 <at> debbugs.gnu.org
Subject: Re: bug#12222: 24.2;
	error: sh-syntax-propertize-function: Beginning of buffer
Date: Sun, 19 Aug 2012 09:24:32 +0800

On 2012-08-19 02:24 +0800, Glenn Morris wrote:
> A regression from what? It's the same in 24.1.
> Even in 22.1 and 23.1, there is: "Error during redisplay: (beginning-of-buffer)"

I just redid the experiment in 22.1¹ and it seemed to work.

Leo

Footnotes: 
¹  (GNU Emacs 22.1.1 (mac-apple-darwin) of 2012-06-25 on b1028.apple.com)
Reply sent to Stefan Monnier <monnier <at> iro.umontreal.ca>:
You have taken responsibility. (Wed, 29 Aug 2012 18:35:02 GMT) Full text and rfc822 format available.
Notification sent to Leo <sdl.web <at> gmail.com>:
bug acknowledged by developer. (Wed, 29 Aug 2012 18:35:02 GMT) Full text and rfc822 format available.

Message #16 received at 12222-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Leo <sdl.web <at> gmail.com>
Cc: 12222-done <at> debbugs.gnu.org
Subject: Re: bug#12222: 24.2;
	error: sh-syntax-propertize-function: Beginning of buffer
Date: Wed, 29 Aug 2012 14:33:40 -0400

> 1. Emacs -q
> 2. C-x C-f x.sh
> 3. C-c : and set the shell to sh
> 4. C-c (
> the last step should fail with this message:
>   sh-syntax-propertize-function: Beginning of buffer

I installed the patch below into emacs-24 which should fix this problem.
Thanks,


        Stefan


=== modified file 'lisp/progmodes/sh-script.el'
--- lisp/progmodes/sh-script.el	2012-08-28 16:01:59 +0000
+++ lisp/progmodes/sh-script.el	2012-08-29 18:29:49 +0000
@@ -1062,7 +1062,8 @@
               (backward-char 1))
             (when (eq (char-before) ?|)
               (backward-char 1) t)))
-      (when (progn (backward-char 2)
+      (and (> (point) (1+ (point-min)))
+           (progn (backward-char 2)
                    (if (> start (line-end-position))
                        (put-text-property (point) (1+ start)
                                           'syntax-multiline t))
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Thu, 27 Sep 2012 11:24:03 GMT) Full text and rfc822 format available.
This bug report was last modified 12 years and 267 days ago.

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