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Re: Hang with markdown-mode

From: Joost Kremers
Subject: Re: Hang with markdown-mode
Date: 25 Nov 2013 16:06:17 GMT
User-agent: slrn/pre1.0.0-18 (Linux)

Leo wrote:
> The problem 
> ----------- 
> I use markdown-mode 1.9 in emacs 24.3.1 and I get a consistent hang when I do 
> the following: 
> 1.  Start emacs 
> 2.  Create a new file, say, with name changetest.txt. 
> 3.  Put (or keep) it in markdown-mode. 
> 4.  Write some text in changetest.txt and save the file to disc. 
> 5.  Switch to another buffer, so that that buffer changetest.txt is not 
>     visible. 
> 6.  Open the file changetest.txt in another editor. 
> 7.  Change and save the content in this other editor. 
> 8.  Go back to emacs and switch buffer to changetest.txt. 
> You will get the message 
>     changetest.txt changed on disk; really edit the buffer? (y, n, r or C-h) 
> But then emacs will hang; no input will get you through the question prompt 
> and keyboard-quit does nothing, so you have to kill emacs. 

I've actually run into the very same thing, although it was not with
Markdown mode (which I also use). Instead, it happened with org-mode
buffers that changed on disk because a new version of the file was
synced from Dropbox.

I haven't seen the bug in a while, however, and I haven't investigated
it. There are two things that changed since I saw the bug that might be
relevant: I downgraded from emacs-snapshot to the latest release 24.3.1
(though since you're using that same version, that probably isn't it)
and I unset `auto-save-visited-file-name`, which I used to have set.

Do you happen to have `auto-save-visited-file-name` set to t? And did
you try with `emacs -Q`?

Joost Kremers                         
Selbst in die Unterwelt dringt durch Spalten Licht

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