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Error text-read-only in shell-command
From: |
Tassilo Horn |
Subject: |
Error text-read-only in shell-command |
Date: |
Wed, 12 Jan 2011 10:01:27 +0100 |
User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/24.0.50 (gnu/linux) |
Hi all,
I've just dired and opened acroread using & on a pdf file to fill out
some forms. After closing that, I wanted to open another file with an
external app using &. But then I got an text-read-only error.
I've tracked it down to the call to `erase-buffer' in `shell-command'.
That fails, because although buffer-read-only is set to nil explicitly,
parts of the output acroread produced in *Async Shell Command Output*
has the read-only text property set to 'fence (whatever that means).
(The linebreaks have that property...)
The following patch fixes the issue. Ok to commit?
--8<---------------cut here---------------start------------->8---
=== modified file 'lisp/simple.el'
--- lisp/simple.el 2011-01-02 20:28:40 +0000
+++ lisp/simple.el 2011-01-12 08:53:08 +0000
@@ -2341,7 +2341,10 @@
(error "Shell command in progress")))
(with-current-buffer buffer
(setq buffer-read-only nil)
- (erase-buffer)
+ ;; Setting buffer-read-only to nil doesn't help for
+ ;; characters with read-only text property.
+ (let ((inhibit-read-only t))
+ (erase-buffer))
(display-buffer buffer)
(setq default-directory directory)
(setq proc (start-process "Shell" buffer shell-file-name
--8<---------------cut here---------------end--------------->8---
Bye,
Tassilo
- Error text-read-only in shell-command,
Tassilo Horn <=