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

[Stefan Monnier]

> 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))