GNU bug report logs - #7292
Inappropriate uses of toggle-read-only?

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

From: Ryan Twitchell <metatheorem <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: view-mode clobbers speedbar bindings
Date: Wed, 27 Oct 2010 20:03:10 -0400

Hi,

A number of speedbar's bindings, such as 'n' and 'p', do not work with
view-mode enabled in the speedbar buffer (which makes no sense anyway). 
This is relevant when view-read-only is set, causing speedbar-mode to
implicitly enable view-mode.

For my part, I have redefined speedbar-mode in my .emacs file as follows:

(require 'speedbar)
(defvar real-speedbar-mode #'speedbar-mode)
(defun speedbar-mode ()
  (let ((view-read-only nil))
    (funcall #'real-speedbar-mode)))


This appears to solve the problem.  speedbar-mode calls
toggle-read-only; binding view-read-only to nil around that call should
be a more permanent fix.

M-x emacs-version
GNU Emacs 23.2.1 (x86_64-pc-linux-gnu, GTK+ Version 2.20.1) of
2010-09-26 on falconsrevenge

Thanks,
Ryan Twitchell

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